1. Department of Dentistry, Craniofacial Center, and Sleep Center, Chang Gung Memorial Hospital, Taipei, Taiwan, and was with Maxillofacial and Dental Department, Great Ormond Street Hospital for Children, London, U.K.
2. North Thames Cleft Lip and Palate Service, and Maxillofacial and Dental Department, Great Ormond Street Hospital for Children, London, U.K