Anna Shiraki¹，Hiroyuki Kidokoro¹，Hama Watanabe²，Gentaro Taga²，Takamasa Mitsumatsu¹，Sumire Kumai¹，Ryosuke Suzui¹，Fumi Sawamura¹，Masahiro Kawaguchi¹，Takeshi Suzuki¹，Hiroyuki Yamamoto¹，Tomohiko Nakata¹，Yoshiaki Sato³，Masahiro Hayakawa³，Jun Natsume^1,4 (1. Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan，2. Graduate School of Education, The University of Tokyo, Tokyo, Japan，3. Division of Neonatology, Center for Maternal—Neonatal Care, Nagoya University Hospital, Nagoya, Japan，4. Department of Developmental Disability Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan)

Yuji Ito¹，Tadashi Ito²，Atsuko Ohno³，Tetsuo Kubota⁴，Kaori Tanemura⁵，Sho Narahara^1,4，Erina Kataoka⁴，Reina Hyodo⁴，Yuichiro Sugiyama⁴，Tetsuo Hattori⁴，Hiroyuki Kidokoro⁶，Hideshi Sugiura⁷，Koji Noritake⁵，Jun Natsume^6,8，Nobuhiko Ochi¹ (1. Department of Pediatrics, Aichi Prefecture Mikawa Aoitori Medical and Rehabilitation Center for Developmental Disabilities, Aichi, Japan，2. Three—dimensional motion analysis room, Aichi Prefecture Mikawa Aoitori Medical and Rehabilitation Center for Developmental Disabilities, Aichi, Japan，3. Department of Pediatric Neurology, Toyota Municipal Child Development Center, Aichi, Japan，4. Department of Pediatrics, Anjo Kosei Hospital, Aichi, Japan，5. Department of Orthopedic Surgery, Aichi Prefecture Mikawa Aoitori Medical and Rehabilitation Center for Developmental Disabilities, Aichi, Japan，6. Department of Pediatrics, Nagoya University Graduate School of Medicine, Aichi, Japan，7. Department of Physical Therapy, Nagoya University Graduate School of Medicine, Aichi, Japan，8. Department of Developmental Disability Medicine, Nagoya University Graduate School of Medicine, Aichi, Japan)

Sho Narahara¹，Tadashi Ito²，Yuji Ito¹，Nobuhiko Ochi¹，Koji Noritake³，Hideshi Sugiura⁴ (1. Department of Pediatrics, Aichi Prefectural Mikawa Aoitori Medical and Rehabilitation Center for Developmental Disabilities, Okazaki, Japan，2. Three—Dimensional Motion Analysis Room, Aichi Prefectural Mikawa Aoitori Medical and Rehabilitation Center for Developmental Disabilities, Okazaki, Japan，3. Department of Orthopedic Surgery, Aichi Prefectural Mikawa Aoitori Medical and Rehabilitation Center for Developmental Disabilities, Okazaki, Japan，4. Department of Integrated Health Sciences, Nagoya University, Nagoya, Japan)

Tomoki Maeda，Osamu Kobayashi，Yuko Okawa，Nanae Kawano，Kazuo Okanari (Department of pediatrics Oita University／Yufu Oita, Japan)