1. CH Dermatologia Medellin Colombia USA
2. Department for Hand, Plastic and Aesthetic Surgery Ludwig–Maximilian University Munich Munich Germany
3. Gold Skin Care Center Tennessee Clinical Research Center Nashville TN USA
4. Private Practice Munich Germany
5. Think in Clinic Paris France
6. Clinica de Dermatologia do Hospital do Servidor Público Municipal de São Paulo São Paulo Brazil
7. Private Practice Sao Paulo Brazil
8. Skin Associates of South Florida and Skin Research Institute Coral Gables FL USA
9. Cosmetic Laser Dermatology San Diego California USA
10. Department of Clinical Anatomy Mayo Clinic College of Medicine and Science Rochester MN USA