1. Department of Dermatology Razi Hospital, Tehran University of Medical Sciences Tehran Iran
2. Autoimmune Bullous Diseases Research Center Razi Hospital, Tehran University of Medical Sciences Tehran Iran
3. Dana‐Farber Cancer Institute Harvard Medical School Boston Massachusetts USA
4. Department of Dermatology Babol University of Medical Sciences Babol Iran
5. Department of Immunology School of Medicine, Tehran University of Medical Sciences Tehran Iran