[1] Yokohama City Univ Med, Infect Prevent & Control Dept, Yokohama, Kanagawa, Japan
[2] Yokohama City Univ, Dept Hematol & Clin Immunol, Sch Med, Yokohama, Kanagawa, Japan
[3] Fujisawa City Hosp, Dept Clin Lab Med, Fujisawa, Kanagawa, Japan
[4] Yokohama City Minato Red Cross Hosp, Dept Infect Dis, Yokohama, Kanagawa, Japan
[5] Kawasaki Municipal Kawasaki Hosp, Dept Infect Dis, Kawasaki, Kanagawa, Japan
[6] Kanagawa Prefectural Ashigarakami Hosp, Dept Gen Med, Matsudo, Japan
[7] Yokosuka City Hosp, Dept Surg, Yokosuka, Kanagawa, Japan
[8] St Marianna Univ, Dept Emergency & Crit Care Med, Sch Med, Yokohama City Seibu Hosp, Yokohama, Kanagawa, Japan
[9] Japanese Red Cross Hadano Hosp, Dept Cardiol, Hadano, Japan
[10] Saiseikai Yokohamashi Tobu Hosp, Dept Infect Control & Prevent, Yokohama, Kanagawa, Japan
[11] Yokohama City Univ, Dept Prevent & Infect Control, Med Ctr, Yokohama, Kanagawa, Japan
[12] Saiseikai Yokohama Nanbu Hosp, Infect Control Comm, Yokohama, Kanagawa, Japan
[13] Natl Hosp Org Yokohama Med Ctr, Dept Crit Care & Emergency Med, Yokohama, Kanagawa, Japan
[14] Fujisawa City Hosp, Dept Resp Med, Fujisawa, Kanagawa, Japan
[15] Fujisawa City Hosp, Ctr Emergency Med, Fujisawa, Kanagawa, Japan
[16] Yokohama City Univ, Dept Emergency Med, Sch Med, Yokohama, Kanagawa, Japan
[17] Yokohama City Univ, Dept Pulmonol, Grad Sch Med, Yokohama, Kanagawa, Japan
[18] Yokosuka City Hosp, Dept Resp Med, Yokosuka, Kanagawa, Japan
[19] Japanese Red Cross Hadano Hosp, Dept Nursing, Hadano, Japan
[20] Japanese Red Cross Hadano Hosp, Dept Gastroenterol, Hadano, Japan
[21] Saiseikai Yokohamashi Tobu Hosp, Dept Emergency & Crit Care Med, Major Trauma Ctr Trauma & Acute Care Surg, Yokohama, Kanagawa, Japan
[22] Saiseikai Yokohamashi Tobu Hosp, Dept Pulm Med, Yokohama, Kanagawa, Japan
[23] Saiseikai Yokohamashi Tobu Hosp, Dept Resp Med, Yokohama, Kanagawa, Japan
[24] Natl Yokohama Med Ctr, Infect Control Team, Yokohama, Kanagawa, Japan
[25] St Marianna Univ, Dept Resp Internal Med, Sch Med, Yokohama City Seibu Hosp, Yokohama, Kanagawa, Japan
[26] Yokohama City Minato Red Cross Hosp, Dept Resp Med, Yokohama, Kanagawa, Japan
[27] Yokohama City Minato Red Cross Hosp, Intens Care Unit, Yokohama, Kanagawa, Japan
[28] Yokohama City Minato Red Cross Hosp, Emergency Dept, Yokohama, Kanagawa, Japan
[29] Yokohama City Univ, Dept Neurol, Med Ctr, Yokohama, Kanagawa, Japan
[30] Yokohama City Univ, Ctr Inflammatory Bowel Dis, Med Ctr, Yokohama, Kanagawa, Japan
[31] Yokohama City Univ, Resp Dis Ctr, Med Ctr, Yokohama, Kanagawa, Japan
[32] Kanagawa Disaster Med Assistance Team, Yokohama, Kanagawa, Japan
[33] Yokohama City Univ, Adv Emergency Med Serv Ctr, Med Ctr, Yokohama, Kanagawa, Japan