1. Department of Dermatology, St Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul
2. Department of Dermatology, Postgraduate Institute of Medical Education and Research, Chandigharh, India
3. Department of Dermatology, Henry Ford Hospital, Detroit, Michigan
4. Vitiligo Unit, Multicultural Dermatology Center, Henry Ford Hospital, Detroit, Michigan
5. Epidemiology in Dermatology and Evaluation of Therapeutics, Département Infectieux/Immuno/Vaccin, Paris-Est University, Paris Est Créteil University, Créteil, France
6. Department of Dermatology, Mondor Hospital, Assistance Publique–Hôpitaux de Paris, Paris Est Créteil University, Créteil, France