1 Department of Radiology, Tenri Hospital, 200 Mishima-cho, Tenri, Nara 632-8552, Japan; Systematic Review Workshop Peer Support Group (SRWS-PSG), Osaka, Japan. Electronic address: yasuoshun@gmail.com.
2 Systematic Review Workshop Peer Support Group (SRWS-PSG), Osaka, Japan; Department of Emergency Medicine, Self-Defense Forces Central Hospital, 1-2-24 Ikejiri, Setagaya Ward, Tokyo 154-0001, Japan.
3 Systematic Review Workshop Peer Support Group (SRWS-PSG), Osaka, Japan; Department of Surgery, Division of Gastroenterological, General and Transplant Surgery, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke City, Tochigi 329-0498, Japan; Center for Community Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke City, Tochigi 329-0498, Japan.
4 Systematic Review Workshop Peer Support Group (SRWS-PSG), Osaka, Japan; Department of Orthopedic Surgery, Tazawako Hospital, 17-1 Ukiyozaka Obonai, Tazawako, Semboku, Akita 014-1201, Japan.