1. Department of Dermatology, University of Studies Guglielmo Marconi, Rome, Italy
2. Department of Dermatology, CNMC, Kolkata, India
3. Department of Dermatology, CMSDH, Kolkata, India
4. Department of Dermatology, University of Parma, Parma, Italy
5. Worldwide Laser Institute, Dallas, USA
6. Dermatology, Rutgers New Jersey Medical School, Newark, NJ, USA
7. Department of Dermatology and Allergology, Städtisches Klinikum Dresden, Academic Teaching Hospital of the Technical University of Dresden, Dresden, Germany
8. Department of Dermatology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
9. Department of Dermatology & Allergy, University Hospital of Basel, Basel, Switzerland
10. Department of Dermatology, University Hospital Basel, Basel, Switzerland
11. University of Rome G. Marconi, Rome, Italy
12. Department of Dermatology, University Medical Center Mainz, Mainz, Germany