1. Department of Dermatology CNMC Kolkata India
2. Department of Dermatology, Venereology and Leprosy College of Medicine and Sagore Dutta Hospital Kolkata India
3. Departments of Dermatology and Pathology The University of Texas Southwestern Medical Center Dallas Texas USA
4. CockerellDermatopathology Dallas Texas USA
5. Worldwide Laser Institute Dallas Texas USA
6. Department of Dermatology University Medical Center of the Johannes Gutenberg University Mainz Germany