1 NESMOS Department, Dermatology Unit, Sant'Andrea Hospital, Faculty of Medicine and Psychology, University of Rome "Sapienza", Rome, Italy.
2 NESMOS Department, Dermatology Unit, Sant'Andrea Hospital, Faculty of Medicine and Psychology, University of Rome "Sapienza", Rome, Italy. [email protected].
3 Faculty of Medicine, Towson University, Towson, MD, USA.
4 Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.