1. Shinshu University Hospital; Department of Rehabilitation; 3-1-1 Asahi Matsumoto Nagano Japan
2. Health Science University; Department of Occupational Therapy; Matsumoto Japan
3. Iida Municipal Hospital; Department of Respiratory Medicine; Iida Japan
4. National Center for Child Health and Development; Department of Education for Clinical Research; 2-10-1 Okura Setagaya-ku Tokyo Japan 157-8535
5. National Center for Child Health and Development; Department of Health Policy; 2-10-1 Okura Setagaya-ku Tokyo Tokyo Japan 157-0074