Yuji Okazaki1, Shunsuke Taito2,3. 1. Department of Internal Medicine, Akiota Hospital, 236, Shimotonogouchi, Akiota-chou, Yamagata-gun, Hiroshima, 731-3622, Japan. 2. Division of Rehabilitation, Department of Clinical Practice and Support, Hiroshima University Hospital, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8551, Japan. shutaitou@hiroshima-u.ac.jp. 3. Systematic Review Workshop Peer Support Group (SRWS-PSG), Osaka, Japan. shutaitou@hiroshima-u.ac.jp.