1. Department of Dermatology KPC Medical College and Hospital Kolkata India
2. Oliva Skin and Hair Clinic Kolkata India
3. Worldwide laser institute Dallas TX USA
4. Department of Dermatology and Allergology Städtisches Klinikum Dresden Academic Teaching Hospital of the Technical University of Dresden Dresden Germany
5. College of Medicine and Health Sciences United Arab Emirates University Al Ain UAE
6. University of Studies Guglielmo Marconi Rome Italy
7. College of Medicine Central Michigan University Saginaw MI USA
8. Department of Dermatology University Medical Center of the Johannes Gutenberg University Mainz Germany
9. University of Rome G. Marconi Rome Italy
10. Department of Dermatology University Medical Center Mainz Mainz Germany
11. Department of Dermatology University Hospital Basel Basel Switzerland