{"id":380288,"date":"2026-10-08T10:52:17","date_gmt":"2026-10-08T08:52:17","guid":{"rendered":"https:\/\/vithas.es\/?post_type=specialist&#038;p=380288"},"modified":"2026-10-08T12:15:02","modified_gmt":"2026-10-08T10:15:02","slug":"mettelsiefen-jan","status":"publish","type":"specialist","link":"https:\/\/vithas.es\/ca\/medico\/mettelsiefen-jan\/","template":"","jobtitletype":[1573],"appointmenttype":[1574],"team":[],"class_list":["post-380288","specialist","type-specialist","status-publish","hentry"],"centers":[],"specialties":[],"subspecialties":[],"diagnosticprocedures":[],"medicaltreatments":[],"wpml_translations":{"ca":{"id":"380288","slug":"mettelsiefen-jan","lang":"ca"},"es":{"id":"380279","slug":"mettelsiefen-jan","lang":"es"}},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Dr. Mettelsiefen , Jan - Vithas<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vithas.es\/ca\/medico\/mettelsiefen-jan\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dr. Mettelsiefen , Jan\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vithas.es\/ca\/medico\/mettelsiefen-jan\/\" \/>\n<meta property=\"og:site_name\" content=\"Vithas\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/es-es.facebook.com\/HospitalesVithas\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-08T10:15:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@Vithas\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/vithas.es\\\/ca\\\/medico\\\/mettelsiefen-jan\\\/\",\"url\":\"https:\\\/\\\/vithas.es\\\/ca\\\/medico\\\/mettelsiefen-jan\\\/\",\"name\":\"Dr. Mettelsiefen , Jan - Vithas\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/vithas.es\\\/#website\"},\"datePublished\":\"2026-10-08T08:52:17+00:00\",\"dateModified\":\"2026-10-08T10:15:02+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/vithas.es\\\/ca\\\/medico\\\/mettelsiefen-jan\\\/#breadcrumb\"},\"inLanguage\":\"ca\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/vithas.es\\\/ca\\\/medico\\\/mettelsiefen-jan\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/vithas.es\\\/ca\\\/medico\\\/mettelsiefen-jan\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Hospitales Vithas\",\"item\":\"https:\\\/\\\/vithas.es\\\/ca\\\/inici\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Dr. Mettelsiefen , Jan\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/vithas.es\\\/#website\",\"url\":\"https:\\\/\\\/vithas.es\\\/\",\"name\":\"Vithas\",\"description\":\"Vivir para cuidarte\",\"publisher\":{\"@id\":\"https:\\\/\\\/vithas.es\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/vithas.es\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ca\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/vithas.es\\\/#organization\",\"name\":\"Vithas\",\"url\":\"https:\\\/\\\/vithas.es\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ca\",\"@id\":\"https:\\\/\\\/vithas.es\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/vithas.es\\\/wp-content\\\/uploads\\\/2021\\\/07\\\/vithas-beat-horizontal.svg\",\"contentUrl\":\"https:\\\/\\\/vithas.es\\\/wp-content\\\/uploads\\\/2021\\\/07\\\/vithas-beat-horizontal.svg\",\"width\":406,\"height\":84,\"caption\":\"Vithas\"},\"image\":{\"@id\":\"https:\\\/\\\/vithas.es\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/es-es.facebook.com\\\/HospitalesVithas\\\/\",\"https:\\\/\\\/x.com\\\/Vithas\",\"https:\\\/\\\/www.instagram.com\\\/vithas_hospitales\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/vithas-hospital\\\/\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UC4Dc3WWg5HzldDibyzFpw2Q\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Dr. Mettelsiefen , Jan - Vithas","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/vithas.es\/ca\/medico\/mettelsiefen-jan\/","og_locale":"ca_ES","og_type":"article","og_title":"Dr. Mettelsiefen , Jan","og_url":"https:\/\/vithas.es\/ca\/medico\/mettelsiefen-jan\/","og_site_name":"Vithas","article_publisher":"https:\/\/es-es.facebook.com\/HospitalesVithas\/","article_modified_time":"2026-10-08T10:15:02+00:00","og_image":[{"width":800,"height":800,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen.jpg","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_site":"@Vithas","twitter_misc":{"Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/vithas.es\/ca\/medico\/mettelsiefen-jan\/","url":"https:\/\/vithas.es\/ca\/medico\/mettelsiefen-jan\/","name":"Dr. Mettelsiefen , Jan - Vithas","isPartOf":{"@id":"https:\/\/vithas.es\/#website"},"datePublished":"2026-10-08T08:52:17+00:00","dateModified":"2026-10-08T10:15:02+00:00","breadcrumb":{"@id":"https:\/\/vithas.es\/ca\/medico\/mettelsiefen-jan\/#breadcrumb"},"inLanguage":"ca","potentialAction":[{"@type":"ReadAction","target":["https:\/\/vithas.es\/ca\/medico\/mettelsiefen-jan\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/vithas.es\/ca\/medico\/mettelsiefen-jan\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Hospitales Vithas","item":"https:\/\/vithas.es\/ca\/inici\/"},{"@type":"ListItem","position":2,"name":"Dr. Mettelsiefen , Jan"}]},{"@type":"WebSite","@id":"https:\/\/vithas.es\/#website","url":"https:\/\/vithas.es\/","name":"Vithas","description":"Vivir para cuidarte","publisher":{"@id":"https:\/\/vithas.es\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/vithas.es\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ca"},{"@type":"Organization","@id":"https:\/\/vithas.es\/#organization","name":"Vithas","url":"https:\/\/vithas.es\/","logo":{"@type":"ImageObject","inLanguage":"ca","@id":"https:\/\/vithas.es\/#\/schema\/logo\/image\/","url":"https:\/\/vithas.es\/wp-content\/uploads\/2021\/07\/vithas-beat-horizontal.svg","contentUrl":"https:\/\/vithas.es\/wp-content\/uploads\/2021\/07\/vithas-beat-horizontal.svg","width":406,"height":84,"caption":"Vithas"},"image":{"@id":"https:\/\/vithas.es\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/es-es.facebook.com\/HospitalesVithas\/","https:\/\/x.com\/Vithas","https:\/\/www.instagram.com\/vithas_hospitales\/","https:\/\/www.linkedin.com\/company\/vithas-hospital\/","https:\/\/www.youtube.com\/channel\/UC4Dc3WWg5HzldDibyzFpw2Q"]}]}},"meta_box":{"vth_titles":"Dr.","vth_name":"Jan","vth_surname_1":"Mettelsiefen","vth_surname_2":"","vth_job_title":{"term_id":1573,"name":"Especialista","slug":"especialista-ca","term_group":0,"term_taxonomy_id":1573,"taxonomy":"jobtitletype","description":"","parent":0,"count":173,"filter":"raw"},"vth_biography":"Soc cirurgi\u00e0 ortop\u00e8dic especialitzat en cirurgia de maluc, amb una \u00e0mplia experi\u00e8ncia en el tractament de patologies degeneratives, traum\u00e0tiques i esportives d\u2019aquesta articulaci\u00f3. La meva pr\u00e0ctica cl\u00ednica se centra a oferir solucions personalitzades, amb les t\u00e8cniques m\u00e9s avan\u00e7ades i una atenci\u00f3 propera al pacient.\r\n\r\nA m\u00e9s de la meva activitat quir\u00fargica, estic especialitzat en ecografia musculoesquel\u00e8tica i ter\u00e0pies ecoguiades. Disposo d\u2019una \u00e0mplia experi\u00e8ncia en el diagn\u00f2stic ecogr\u00e0fic i en el tractament ecoguiat de lesions articulars, tendinoses i musculars. La meva formaci\u00f3 en ecografia musculoesquel\u00e8tica es va desenvolupar en el marc de la DEGUM (Societat Alemanya d\u2019Ultrasonografia en Medicina). Tinc m\u00e9s de 15 anys d\u2019experi\u00e8ncia en la realitzaci\u00f3 d\u2019ecografies i intervencions ecoguiades, tant diagn\u00f2stiques com terap\u00e8utiques, desenvolupades en centres de refer\u00e8ncia d\u2019Alemanya i Espanya. Aquesta experi\u00e8ncia em permet oferir procediments precisos, m\u00ednimament invasius i adaptats a les necessitats espec\u00edfiques de cada pacient.\r\n\r\nParticipo com a consultor per a empreses internacionals dedicades al desenvolupament de pr\u00f2tesis de maluc, col\u00b7laborant en la innovaci\u00f3 i la millora de les t\u00e8cniques quir\u00fargiques i dels implants utilitzats en cirurgia reconstructiva.\r\n\r\nAix\u00ed mateix, soc director del curs \"Hip Lab Via Anterior\", un programa formatiu biennal que se celebra a Barcelona i Alacant, centrat en l\u2019ensenyament i el perfeccionament de l\u2019abordatge anterior de maluc per a cirurgians ortop\u00e8dics.\r\n\r\nEl meu comprom\u00eds \u00e9s oferir una medicina basada en l\u2019evid\u00e8ncia, l\u2019excel\u00b7l\u00e8ncia t\u00e8cnica i el tracte m\u00e9s hum\u00e0, acompanyant cada pacient durant tot el seu proc\u00e9s diagn\u00f2stic i terap\u00e8utic.","vth_medical_info":"<strong>\u00c0REES D\u2019ESPECIALITZACI\u00d3<\/strong>\r\n<ul>\r\n \t<li>Cirurgia reconstructiva de maluc, pr\u00f2tesis prim\u00e0ries i recanvis prot\u00e8tics.<\/li>\r\n \t<li>Cirurgia m\u00ednimament invasiva amb abordatge anterior directe de maluc.<\/li>\r\n \t<li>Diagn\u00f2stic de lesions articulars i musculotendinoses mitjan\u00e7ant ecografia.<\/li>\r\n \t<li>Tractament del dolor a la pelvis i a l\u2019extremitat inferior amb ter\u00e0pies ecoguiades.<\/li>\r\n \t<li>Infiltracions ecoguiades (corticoides, plasma ric en plaquetes \u00abPRP\u00bb, \u00e0cid hialur\u00f2nic).<\/li>\r\n<\/ul>\r\n<strong>FITES I DADES DESTACADES<\/strong>\r\n<ul>\r\n \t<li>Premi \u00abYoung Investigator Award Minneapolis ASBMR 2012\u00bb.<\/li>\r\n<\/ul>\r\n<strong>FORMACI\u00d3, T\u00cdTOLS I DISTINCIONS<\/strong>\r\n<ul>\r\n \t<li>2000 - 2006: Llicenciat en Medicina per la Martin-Luther-Universit\u00e4t Halle\/Wittenberg, Alemanya.<\/li>\r\n \t<li>2007 - 2013: Resid\u00e8ncia en Cirurgia Ortop\u00e8dica i Traumatologia a l\u2019Hospital Universitari de Dresden, Alemanya.<\/li>\r\n \t<li>2007 - 2009: T\u00edtol d\u2019Especialista en Ecografia Musculoesquel\u00e8tica per la DEGUM (Societat Alemanya d\u2019Ultrasonografia en Medicina).<\/li>\r\n \t<li>2014 - 2017: Metge adjunt al centre de refer\u00e8ncia d\u2019Ortop\u00e8dia Oncol\u00f2gica, Sarkomzentrum Berlin Brandenburg, Helios Klinikum Buch Berlin, Alemanya.<\/li>\r\n<\/ul>\r\n<strong>PUBLICACIONS<\/strong>\r\n<ul>\r\n \t<li>Bretschneider H, Mettelsiefen J, Rentsch C, Gelinsky M, Link HD, G\u00fcnther KP, Lode A, Hofbauer C. Evaluation of topographical and chemical modified TiAI6V4 implant surfaces in a weight-bearing intramedullary femur model in rabbit. J Biomed Mater Res B Apple Biomater. 2020 Apr; 108(3):1117-1128.<\/li>\r\n \t<li>Bus MPA, Campanacci DA, Albergo JI, Leithner A, Van der Sande MAJ, Gaston CL, Caff G, Mettelsiefen J, Capanna R, Tunn PU, Jens LM, Dijkstra PDS. Conventional Primary Central Chondrosarcoma of the Pelvis. Prognostic Factors and Outcome of Surgical Treatment in 162 Patients. J Bone Joint Surg Am. 2028 Feb 21; 100(4):316.325.<\/li>\r\n \t<li>Hamann C, Rauner M, H\u00f6hna Y, Bernhardt R, Mettelsiefen J, Goettsch C, G\u00fcnther KP, Stonlina M, Han CY, Asuncion FJ, Ominsky MS, Hofbauer LC. Sclerostin antibody treatment improves bone mass, bone strength, and bone defect regeneration in rats with type 2 diabetes mellitus. J Bone Miner Res. 2013 Mar; 28(3):627-38.<\/li>\r\n \t<li>Hamann C, Goettsch C, Mettelsiefen J, Henkenjohann V, Rauner M, Hempel U, Bernhardt R, Fratzl-Zelman N, Roschger P, Rammelt S, G\u00fcnther KP, Hofbauer LC. Delayed bone regeneration and low bone mass in a rat model of insulin-resistant type 2 diabetes mellitus is due to impaired osteoblast function. Am J Physiol Endocrinol Metab. 2011 Dec; 301(6):E1220-8.<\/li>\r\n \t<li>Sch\u00e4fer T, Krummenauer F, Mettelsiefen J, Kirschner S, G\u00fcnther KP. Social, educational and occupational predictors of total hip replacement outcome. Osteoarthritis Cartilage. 2010 Aug; 18(8):1036-42.<\/li>\r\n \t<li>L\u00fctzner J, Mettelsiefen J, G\u00fcnther KP, Thielemann F. Treatment of osteochondritis dissecans of the knee joint. Orthop\u00e4de. 2007 Sep; 36(9):871-9.<\/li>\r\n<\/ul>\r\n<strong>MEMBRE DE<\/strong>\r\n<ul>\r\n \t<li>Societat Espanyola de Cirurgia de Maluc (SECCA).<\/li>\r\n \t<li>Societat Espanyola de Cirurgia Ortop\u00e8dica i Traumatologia (SECOT).<\/li>\r\n \t<li>Col\u00b7legi de Metges de Barcelona (COMB).<\/li>\r\n<\/ul>\r\n<strong>PROJECTES R+D<\/strong>\r\n<ul>\r\n \t<li>Director del projecte de recerca: An\u00e0lisi de la influ\u00e8ncia dels recobriments antibi\u00f2tics (gentamicina) sobre l\u2019efecte osteointegrador de superf\u00edcies bioactives d\u2019implants no cimentats en un model de conill. 2008-2014.<\/li>\r\n \t<li>Col\u00b7laborador en el projecte de recerca: An\u00e0lisi dels mecanismes cel\u00b7lulars i moleculars de la regeneraci\u00f3 \u00f2ssia en un model de rata diab\u00e8tica. 2009-2012.<\/li>\r\n \t<li>Premi: Young Investigator Award Minneapolis ASBMR 2012 pel projecte: Sclerostin antibody treatment improves bone mass, bone strength, and bone defect regeneration in rats with type 2 diabetes mellitus. Hamann C, Rauner M, H\u00f6hna Y, Bernhardt R, Mettelsiefen J, Goettsch C, G\u00fcnther KP, Stonlina M, Han CY, Asuncion FJ, Ominsky MS, Hofbauer LC.<\/li>\r\n<\/ul>","vth_twitter":"","vth_linkedin":"","vth_facebook":"","vth_instagram":"","vht_appointment_type":{"term_id":1574,"name":"Cita online","slug":"cita-online-ca","term_group":0,"term_taxonomy_id":1574,"taxonomy":"appointmenttype","description":"Demanar Cita","parent":0,"count":247,"filter":"raw"},"vht_appointment_type_custom":[],"vth_image":[{"width":150,"height":150,"file":"2026\/10\/Jan-Mettelsiefen.jpg","filesize":211868,"sizes":{"medium":{"file":"Jan-Mettelsiefen-300x300.jpg","width":300,"height":300,"mime-type":"image\/jpeg","filesize":11543,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-300x300.jpg"},"thumbnail":{"file":"Jan-Mettelsiefen-150x150.jpg","width":150,"height":150,"mime-type":"image\/jpeg","filesize":4331,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-150x150.jpg"},"medium_large":{"file":"Jan-Mettelsiefen-768x768.jpg","width":768,"height":768,"mime-type":"image\/jpeg","filesize":49069,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-768x768.jpg"},"vithas-1440":{"file":"Jan-Mettelsiefen-800x647.jpg","width":800,"height":647,"mime-type":"image\/jpeg","filesize":50791,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-800x647.jpg"},"vithas-840":{"file":"Jan-Mettelsiefen-800x588.jpg","width":800,"height":588,"mime-type":"image\/jpeg","filesize":47840,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-800x588.jpg"},"vithas-640":{"file":"Jan-Mettelsiefen-640x725.jpg","width":640,"height":725,"mime-type":"image\/jpeg","filesize":43519,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-640x725.jpg"},"vithas-600":{"file":"Jan-Mettelsiefen-600x320.jpg","width":600,"height":320,"mime-type":"image\/jpeg","filesize":20307,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-600x320.jpg"},"vithas-588":{"file":"Jan-Mettelsiefen-588x800.jpg","width":588,"height":800,"mime-type":"image\/jpeg","filesize":51816,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-588x800.jpg"},"vithas-500":{"file":"Jan-Mettelsiefen-500x336.jpg","width":500,"height":336,"mime-type":"image\/jpeg","filesize":19042,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-500x336.jpg"},"vithas-480":{"file":"Jan-Mettelsiefen-480x270.jpg","width":480,"height":270,"mime-type":"image\/jpeg","filesize":15621,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-480x270.jpg"},"vithas-472":{"file":"Jan-Mettelsiefen-472x432.jpg","width":472,"height":432,"mime-type":"image\/jpeg","filesize":21466,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-472x432.jpg"},"vithas-375A":{"file":"Jan-Mettelsiefen-375x424.jpg","width":375,"height":424,"mime-type":"image\/jpeg","filesize":18765,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-375x424.jpg"},"vithas-375B":{"file":"Jan-Mettelsiefen-375x416.jpg","width":375,"height":416,"mime-type":"image\/jpeg","filesize":18223,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-375x416.jpg"},"vithas-325":{"file":"Jan-Mettelsiefen-325x200.jpg","width":325,"height":200,"mime-type":"image\/jpeg","filesize":9361,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-325x200.jpg"},"vithas-288":{"file":"Jan-Mettelsiefen-288x288.jpg","width":288,"height":288,"mime-type":"image\/jpeg","filesize":10677,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-288x288.jpg"},"vithas-252":{"file":"Jan-Mettelsiefen-252x184.jpg","width":252,"height":184,"mime-type":"image\/jpeg","filesize":7395,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-252x184.jpg"},"vithas-168":{"file":"Jan-Mettelsiefen-168x168.jpg","width":168,"height":168,"mime-type":"image\/jpeg","filesize":4958,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-168x168.jpg"},"vithas-120":{"file":"Jan-Mettelsiefen-120x120.jpg","width":120,"height":120,"mime-type":"image\/jpeg","filesize":3196,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-120x120.jpg"},"vithas-48":{"file":"Jan-Mettelsiefen-48x48.jpg","width":48,"height":48,"mime-type":"image\/jpeg","filesize":1204,"url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-48x48.jpg"}},"image_meta":{"aperture":"10","credit":"Alex Gregorio","camera":"Canon EOS R5m2","caption":"","created_timestamp":"1781777519","copyright":"All right reserved","focal_length":"119","iso":"100","shutter_speed":"0.00625","title":"","orientation":"0","keywords":[],"alt":""},"ID":"380280","name":"Jan-Mettelsiefen.jpg","path":"\/var\/www\/html\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen.jpg","url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-150x150.jpg","full_url":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen.jpg","title":"Dr. Jan Mettelsiefen","caption":"Dr. Jan Mettelsiefen","description":"Dr. Jan Mettelsiefen","alt":"Dr. Jan Mettelsiefen","srcset":"https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-150x150.jpg 150w, https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-300x300.jpg 300w, https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-768x768.jpg 768w, https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-288x288.jpg 288w, https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-168x168.jpg 168w, https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-120x120.jpg 120w, https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen-48x48.jpg 48w, https:\/\/vithas.es\/wp-content\/uploads\/2026\/10\/Jan-Mettelsiefen.jpg 800w"}],"vth_leader_info":"","vth_draft_data":"","post_to_specialist_from":[],"reviews_to_specialist_from":[],"tip_to_specialist_from":[]},"_links":{"self":[{"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/specialist\/380288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/specialist"}],"about":[{"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/types\/specialist"}],"version-history":[{"count":2,"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/specialist\/380288\/revisions"}],"predecessor-version":[{"id":380309,"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/specialist\/380288\/revisions\/380309"}],"wp:attachment":[{"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/media?parent=380288"}],"wp:term":[{"taxonomy":"jobtitletype","embeddable":true,"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/jobtitletype?post=380288"},{"taxonomy":"appointmenttype","embeddable":true,"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/appointmenttype?post=380288"},{"taxonomy":"team","embeddable":true,"href":"https:\/\/vithas.es\/ca\/wp-json\/wp\/v2\/team?post=380288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}