1. Department of Orthodontics, Craniofacial Center, Chang Gung Memorial Hospital, Taipei, Taiwan.
2. Department of Pulmonary Medicine, Craniofacial Center, Chang Gung Memorial Hospital, Taipei, Taiwan.
3. Department of Plastic Surgery, Craniofacial Center, Chang Gung Memorial Hospital, Taipei, Taiwan.
4. Craniofacial Center, Chang Gung Memorial Hospital, Taipei, Taiwan.