1. La Jolla Cosmetic Laser Clinic; La Jolla CA USA
2. California Retina Associates; Chula Vista CA USA
3. La Jolla Cosmetic Laser Clinic; San Diego CA USA
4. Division of Dermatology; University of Ottawa; Ottawa ON Canada
5. Division of Dermatology; University Hospital at Princeton; Princeton NJ USA
6. Department of Surgery and Division of Otolaryngology; University of California San Diego; San Diego CA USA