1. Department of Plastic and Reconstructive Surgery , Kanagawa Children’s Medical Center, Mutsukawa 2-138-4, Minami-ku, Yokohama 232-8555, Kanagawa, Japan
2. Hirakawa Orthodontic Clinic , Kinkoutyou 5-36, Kanagawa-ku, Yokohama 221-0056, Kanagawa, Japan
3. Department of Genetics, Kanagawa Children’s Medical Center , Mutsukawa 2-138-4, Minami-ku, Yokohama 232-8555, Kanagawa, Japan