1. Dermatologia Ente Ospedaliero Cantonale (EOC); Ospedale Regionale Bellinzona e Valli; Bellinzona Switzerland
2. Melanoma Unit; Hospital Clinic de Barcelona; Institut d'Investigacions Biomèdiques August Pi Sunyer (IDIBAPS); Universitat de Barcelona; Barcelona Spain
3. Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER); ISCIII; Barcelona Spain
4. Private Dermatology Practice; Lugano Switzerland
5. Private Dermatology Practice; Bellinzona Switzerland
6. Private Dermatology Practice; Chiasso Switzerland
7. Private Dermatology Practice; Locarno Switzerland
8. Istituto Oncologico della Svizzera Italiana (IOSI); Ospedale Regionale Bellinzona e Valli; Bellinzona Switzerland
9. Biochemistry and Molecular Genetics Service; Hospital Clinic of Barcelona; Spain