Department of Cardiovascular Surgery, Valencia, Spain
Hospital Universitario Rey Juan Carlos, Móstoles, Madrid, Spain
Hospital General Universitario Gregorio Marañón, Madrid, Spain
Klinikum Sachsenhausen der DGD, Frankfurt/Main, Hessen, Germany
Hospital Sant Joan de Déu de Manresa, Manresa, Barcelona, Spain
Bundeswehr Krankenhaus Ulm, Ulm, Baden-Württemberg, Germany
KPJ Tawakkal KL Specialist Hospital, Kuala Lumpur, Wilayah Persekutuan Kuala Lumpur, Malaysia
Pineta Grande Hospital, Napoli, Italy
Hospital Universitario Virgen del Rocío, Sevilla, Spain
Hospital Universitario de Canarias, Sta. Cruz de Tenerife, Spain
Medius Klinik Nürtingen, Nürtingen, Baden-Württemberg, Germany
Schelztor-Klinik Esslingen, Esslingen, Baden-Württemberg, Germany
Rems-Murr-Klinik Schorndorf, Schorndorf, Baden-Württemberg, Germany
Facultat d'Odontologia. Universitat Internacional de Catalunya, Sant Cugat Del Vallès, Catalunya, Spain
Athaia Xarxa Assistencial Universitaria de Manresa, Manresa, Barcelona, Spain
Masaryk Hospital, Ústí nad Labem, Czechia