1. Westlake Dermatology Clinical Research Center; Westlake Dermatology & Cosmetic Surgery; Austin Texas
2. Shelby Dermatology; Alabaster Alabama
3. Hong Kong Dermatology and Laser Centre; Hong Kong China
4. Division of Dermatology, Department of Medicine; University of Hong Kong; Hong Kong China
5. Wellman Center for Photomedicine; Massachusetts General Hospital; Boston Massachusetts
6. ZAesthetic Dermatology; Baton Rouge Louisiana
7. Cosmetic Laser Dermatology; San Diego California