1. From the Department of Pediatrics, Fujita Health University School of Medicine, Toyoake, Japan
2. Department of Pediatrics, Fujita Health University Okazaki Medical Center, Okazaki, Japan
3. Division of Pulmonology, National Center for Child Health and Development, Tokyo, Japan
4. Department of Pediatrics, Japan Community Healthcare Organization Hokkaido Hospital, Sapporo, Japan
5. Faculty of Medical Technology, Fujita Health University, School of Medical Sciences, Toyoake, Aichi, Japan.