1. Cosmetic Laser Dermatology San Diego California USA
2. Humphrey & Beleznay Cosmetic Dermatology Vancouver British Columbia Canada
3. Weill Cornell Medicine New York‐Presbyterian Hospital New York USA
4. AboutSkin Dermatology and DermSurgery, PC Greenwood Village Colorado USA
5. Skin Physicians & Surgeons Upland California USA
6. DeNova Research Chicago Illinois USA