1. University of Pennsylvania School of Medicine; Clinical Assistant Professor, Department of Otolaryngology-Head and Neck Surgery, Division of Facial Plastic Surgery; Philadelphia USA
2. Associate Professor, Department of Dermatology; University of Pennsylvania School of Medicine; Philadelphia USA
3. Henry Ford Hospital; Chair, Department of Dermatology; C.S. Livingood Chair in Dermatology; Director of Cosmetic Dermatology; Detroit MI USA