| Affiliation: | 1. Graduate School of Education, University of Tokyo, , Tokyo, Japan;2. Department of Rehabilitation, Nagano Children's Hospital, , Nagano, Japan;3. Department of Physical Therapy, School of Sciences, Kyorin University, , Tokyo, Japan;4. Faculty of Human Development and Culture, Fukushima University, , Fukushima, Japan;5. Department of Neonatology, Nagano Children's Hospital, , Nagano, Japan;6. Department of Statistical Modeling, The Institute of Statistical Mathematics, , Tokyo, Japan;7. Center for Baby Science, Doshisha University, , Kyoto, Japan |
