1. College of Life and Health Sciences, Chubu University, 1200 Matsumoto, Kasugai 487-8501, Aichi, Japan
2. Division of Research and Treatment for Oral and Maxillofacial Congenital Anomalies, School of Dentistry, Aichi Gakuin University, 2-11, Suemori-Dori, Chikusa-ku, Nagoya 464-8651, Aichi, Japan
3. Hokkaido University Hospital, Kita14, Nishi5, Kita-ku, Sapporo 060-8648, Hokkaido, Japan
4. Japanese Cleft Palate Foundation, 2-5 Hoocho, Chikusa-ku, Nagoya 464-0057, Aichi, Japan
5. Department of Surgery, School of Dentistry, Aichi Gakuin University, 2-11, Suemori-Dori, Chikusa-ku, Nagoya 464-8651, Aichi, Japan