1. Department of Radiology & Medical School University of Belgrade Belgrade Serbia
2. Plastic Surgery Department I.M. Sechenov First Moscow State Medical University Moscow Russia
3. Department for Hand, Plastic and Aesthetic Surgery Ludwig – Maximilian University Munich Germany
4. Private Practice Cluj‐Napoca Romania
5. Skin Associates of South Florida, Skin Research Institute Coral Gables FL USA
6. Department of Orthopedics and Trauma Surgery Medical University of Vienna Vienna Austria
7. Private Practice Munich Germany
8. Gold Skin Care Center Tennessee Clinical Research Center Nashville TN USA
9. Department of Clinical Anatomy Mayo Clinic College of Medicine and Science Rochester MN USA