1. Department of Pediatrics, Yamagata University School of Medicine
2. Department of Pediatrics, Iwate Medical University
3. Department of Pediatrics, Nagoya University School of Medicine
4. Department of Pediatrics, Hirosaki University School of Medicine
5. Department of Pediatric Oncology, Institute of Development, Aging and Cancer, Tohoku University
6. Igarashi Pediatric Clinic
7. Department of General Pediatrics, Miyagi Children's Hospital