Keio University - School of Medicine, Keio University - School of Medicine, Keio University - School of Medicine, Hokkaido University - Department of Anesthesiology and Critical Care Medicine, National Defense Medical College, Tohoku University - Division of Emergency and Critical Care Medicine, The University of Osaka, Juntendo University, Kameda Medical Center, University of Occupational and Environmental Health, Kobe University, Aichi Medical University, Yamaguchi University, Kawasaki Municipal Hospital, Kurume University, Aizu Chuo Hospital, Teikyo University, Kawasaki Medical School, Kyorin University, Chiba University - Department of Allergy and Clinical Immunology, St. Luke’s International Hospital, Tokyo Medical and Dental University, Kitakyushu City Yahata Hospital, Saga University, National Center for Global Health and Medicine, Nippon Medical School, JCHO (Japan Community Healthcare Organization), Osaka General Medical Center, Osaka Medical and Pharmaceutical University and The University of Osaka