Dermatology Unit, Medical Department Arcispedale Santa Maria Nuova, Reggio Emilia, Italy
Clínica Dermatológica Campo De Felipe, Barcelona, Spain
Clínica Dermatológica Láser, Madrid, Spain
Gabinet Lekarski Internistyczno- Reumatologiezny, Wroclaw, Poland
Klinik und Poliklinik für Dermatologie und Vererologie, Köln, Germany
Herz- und Rheumazentrum Kerckhoff-Klinik, Bad Hauheim, Germany
Hospital Universitario Puerta de Hierro, Madrid, Spain
Clínica Universitaria de Navarra, Pamplona, Spain
Bioskin, Hamburg, Germany
Kerckhoff Klinik, Bad Nauheim, Hesse, Germany
Centrum Miriada, Bialystok, Poland
Chapel Allerton Hospital, Leeds, United Kingdom