1. Department of Dermatopathology, Razi Hospital, Tehran University of Medical Sciences, Tehran, Iran.
2. Department of Dermatology, Shahid Beheshti University of Medical Science, Tehran, Iran.
3. Department of Internal Medicine, Shahid Beheshti University of Medical Science, Tehran, Iran.
4. Department of Dermatology, University of California San Francisco, San Francisco, CA, USA.
5. Department of Pathology, Tehran University of Medical Sciences, Tehran, Iran.