^○Kentaro Shirai^1,2, Chiba Shigeru^2,4, Iwabuchi Emi^2,4, Yudai Konno³, Honaga Tadaho³, Nemoto Tsuyoishi³, Takasi Kanbayashi^2,3 (1.Department of Pediatrics, Tsuchiura Kyodo General hospital, Tsuchiura, Japan, 2.Ibaraki Prefectural Medical Center of Psychiatry, Kasama, Japan, 3.International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, Tsukuba, Japan,, 4.Ibaraki Kodomo Hospital, Tomobe, Japan)

^○Emi Iwabuchi^1,2, Kentaro Shirai^2,3, Shigeru Chiba^2,4, Yudai Konno⁴, Tsuyoshi Nemoto⁴, Ryuta Tanaka¹, Takashi Kanbayashi^2,4 (1.Ibaraki Children's Hospital, Mito, Ibaraki, Japan, 2.Ibaraki Prefectural Medical Center of Psychiatry,Kasama,Japan, 3.Department of Pediatrics Tsuchiura Kyodo General hospital, 4.International Institute for Integrative Sleep Medicine,University Tsukuba)

^○Arika Yoshizaki¹, Sanae Tanaka², Takuya Kosaka³, Hiroki Shinkawa⁴, Takashi X. Fujisawa⁵, Tomoka Tamamoto⁶, Emi Murata¹, Ikuko Hirata⁶, Ikuko Mohri^1,6, Masako Taniike^1,6 (1.Osaka University, Osaka, Japan, 2.Kanazawa University, Kanazawa, Japan, 3.Fukui University, Fukui, Japan, 4.Hirosaki University, Hirosaki, Japan, 5.Fukui University, Fukui, Japan, 6.Osaka University, Osaka, Japan)

^○Keisuke Watanabe, Tatsuhiko Yamamoto, Tsutomu Takahashi (Department of Pediatrics, Akita University, Akita, Japan)

^○Itsuki Shimizu¹, Mina Yokoyama¹, Hiroki Yoshihara¹, Miwa Ozawa¹, Takehiro Arisaka² (1.Department of Pediatrics, St. Luke's International Hospital, Tokyo, Japan, 2.Department of Dental and Oral Surgery, St. Luke's International Hospital, Tokyo, Japan)