1. Autoimmune Bullous Diseases Research Center Tehran University of Medical Sciences Tehran Iran
2. Department of Dermatology Babol University of Medical Sciences Babol Iran
3. Department of Dermatology Razi Hospital Tehran University of Medical Sciences Tehran Iran
4. Department of Dermatology Rasoul‐e‐Akram Hospital Iran University of Medical Sciences Tehran Iran
5. Skin and Stem Cell Research Center Tehran Iran
6. Clinical Research Development Center Imam Reza Hospital Kermanshah University of Medical Sciences Kermanshah Iran