1. Autoimmune Bullous Diseases Research Center, Tehran University of Medical Sciences, Tehran, Iran
2. Department of Dermatology, School of Medicine, Razi Hospital, Tehran University of Medical Sciences, Tehran, Iran
3. Department of Dermatology, Babol University of Medical Sciences, Babol, Iran
4. Department of Dermatopathology, School of Medicine Razi Hospital, Tehran University of Medical Sciences, Tehran, Iran
5. Department of Dermatology, School of Medicine, Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
6. Department of Dermatology, Mashhad University of Medical Sciences, Mashhad, Iran