| Affiliation: | 1. Assistant professor, Division of Developmental Stomatognathic Function Science, Department of Growth and Development of Functions, Kyushu Dental College, Kitakyushu, Japan;2. Assistant professor, Division of pediatric dentistry, Department of Human Development and Fostering, Meikai University, Saitama, Japan;3. Assistant professor, Division of Developmental Stomatognathic Function Science, Department of Growth and Development of Functions, Kyushu Dental College, Kitakyushu, Japan;4. Professor and chair, Division of Developmental Stomatognathic Function Science, Department of Growth and Development of Functions, Kyushu Dental College, Kitakyushu, Japan |
