1. Worldwide laser institute Dallas TX USA
2. Treatwell Skin Centre Jammu India
3. College of Medicine and Health Sciences United Arab Emirates University Al Ain United Arab Emirates
4. Department of Dermatology Alpert Medical School of Brown University Providence Rhode Island
5. Department of Dermatology Medical School of Jundiaí São Paulo Brazil
6. GK Dermatology, PC South Weymouth Massachusetts
7. University of Athens Athens Greece
8. Department of Dermatology University of Studies Guglielmo Marconi Rome Italy
9. Military Medical Academy of Belgrade Belgrade Serbia
10. Department of Dermatology University Medical Center of the Johannes Gutenberg University Mainz Germany
11. Department of Dermatology University Medical Center Mainz Mainz Germany
12. University of Rome G. Marconi Rome Italy
13. Department of Dermatology University Hospital Basel Basel Switzerland