〇Kazuhito Mietani¹, Masahiko Sumitani^2,1, Daisuke Nishizawa³, Kazutaka Ikeda³, Yaeko Yokoshima¹, Yoshitugu Yamada¹ (1. Department of Anesthesiology and Pain Relief Center, The University of Tokyo Hospital, 2. Department of Pain and Palliative Medicine, 3. Department of Psychiatry and Behavioral Science, Tokyo Metropolitan Institute of Medical Science)

〇MUTSUMI ABE¹, TOMOYUKI IWASITA¹, AYA ONUKA¹, KAZUMASA YAMASAKI¹, SHIGEMI KOYAMA¹, HIROYUKI TESHIMA¹ (1. matsue-city hosital)

〇Yusuke Asakura¹, Naoko Honda¹, Akiko Umeda¹, Shiori Sakuma², Maho Kinoshita², Makoto Ozaki² (1. Nagoya Kyoritsu Hospital, 2. Tokyo Womens' Medical University)

〇Jin Shinohara¹, Masako Iseki¹, Nobuko Kikuchi¹, Satoko Chiba¹, Takao Tamagawa¹, Aiko Kawai¹ (1. Department of Anesthesiology and Pain Medicine, Juntendo University School of Medicine)

〇SHINICHI INOMATA¹, kazuhiro iijima¹, akira matsushita¹, makoto tanaka¹ (1. Univ. of Tsukuba)

〇Minoru Oyama¹ (1. Tagawa Municipal Hospital)