Hasegawa H, Shin M, Kawagishi J, Jokura H, Hasegawa T, Kato T, Kawashima M, Shinya Y, Kenai H, Kawabe T, Sato M, Serizawa T, Nagano O, Aoyagi K, Kondoh T, Yamamoto M, Onoue S, Nakazaki K, Iwai Y, Yamanaka K, Hasegawa S, Kashiwabara K, Saito N, on Behalf of the JLGK 1802 Study Group