1. Clintexe Clinic; Department of Cosmetic Surgery; Tokyo 105-6204 Japan
2. KO CLINIC for Antiaging; Yokohama 231-0015 Japan
3. Fujisawa Shounandai Hospital; Department of Plastic Surgery; Fujisawa 252-0802 Japan
4. Kanagawa Children's Medical Center; Department of Plastic Surgery; Yokohama 232-8555 Japan
5. Department of Plastic and Reconstructive Surgery; University of Yokohama City; Yokohama 236-0004 Japan
6. Department of Plastic and Reconstructive Surgery; Yokohama City University Medical Center; Yokohama 232-0024 Japan