1. Division of Dermatology, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital; Mahidol University; Bangkok Thailand
2. Samitivej Esthetics Institute; Samitivej Sukhumvit Hospital; Bangkok Thailand
3. Department of Medical Education; Albany Medical College; Albany New York
4. School of Anti-Aging and Regenerative Medicine; Mae Fah Luang University; Bangkok Thailand