1 Dermatology department, Habib Thameur hospital, Tunis El Manar university, medicine faculty, LR12SP03, Tunis, Tunisia.
2 National centre of pharmacovigilance, 1006 Tunis, Tunisia; Tunis El Manar university, medicine faculty, research unit UR17ES12, La Rabta, 1007 Tunis, Tunisia.
3 National centre of pharmacovigilance, 1006 Tunis, Tunisia.
4 Dermatology department, Habib Thameur hospital, Tunis El Manar university, medicine faculty, LR12SP03, Tunis, Tunisia. Electronic address: hammamighorbel@yahoo.fr.