1. Department of Internal Medicine and Rheumatology, Dr I. Cantacuzino Clinical Hospital, 011437 Bucharest, Romania
2. Department of Gastroenterology, Colentina Clinical Hospital, 020125 Bucharest, Romania
3. 2nd Department of Dermatology, Colentina Clinical Hospital, 020125 Bucharest, Romania
4. Department of Dermatology, Assistance Publique des Hôpitaux de Paris (AP-HP), Henri Mondor Hospital, 94000 Créteil, France
5. Department of General Surgery, Carol Davila University of Medicine and Pharmacy, Dr I. Cantacuzino Clinical Hospital, 011437 Bucharest, Romania
6. Department of Dermatology, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
7. Department of Internal Medicine, Fundeni Clinical Institute, 022328 Bucharest, Romania
8. Department of Internal Medicine and Rheumatology, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania