1. Department of Child Mental Health and Development Toyama University Hospital Toyama Toyama Japan
2. Department of Neuropsychiatry Kindai University Faculty of Medicine Osakasayama Osaka Japan
3. Department of Developmental Disorders, National Institute of Mental Health National Center of Neurology and Psychiatry Kodaira Tokyo Japan
4. Department of Child and Adolescent Psychiatry, Kohnodai Hospital National Center for Global Health and Medicine Ichikawa Chiba Japan
5. Senogawa Hospital Hiroshima‐shi Hiroshima Japan
6. Department of Child Psychiatry Yokohama City University Hospital Yokohama Kanagawa Japan
7. Shigisan Hospital Herarland Shigisan Ikoma Nara Japan
8. Medical Corporation Nanfukai Manyo Clinic Child Mental Health Care Center Kizuna Kashihara Nara Japan
9. Graduate School of Nursing St. Luke's International University Chuo‐ku Tokyo Japan
10. Department of Neuropsychiatry, Graduate School of Medicine University of the Ryukyus Okinawa Japan
11. Department of Child and Adolescent Psychiatry, Faculty of Medicine Hokkaido University Sapporo Hokkaido Japan