Department of Health Policy and Management School of Medicine Keio University Tokyo JapanDepartment of Global Health Policy Graduate School of Medicine The University of Tokyo Tokyo Japan;
Department of Health Policy and Management School of Medicine Keio University Tokyo JapanDepartment of Sustainable Health Science Center for Preventive Medical Sciences Chiba University Chiba Japan;
Department of Health Policy and Management School of Medicine Keio University Tokyo JapanGraduate School of Public Health St. Luke’s International University Tokyo Japan;
Department of Health Policy and Management School of Medicine Keio University Tokyo JapanDepartment of Mathematical and Computing Science Tokyo Institute of Technology Tokyo Japan;
Department of Health Policy and Management School of Medicine Keio University Tokyo Japan;
Department of Health Policy and Management School of Medicine Keio University Tokyo JapanInstitute for Business and Finance Waseda University Tokyo Japan;
Graduate School of Public Health St. Luke’s International University Tokyo Japan;
Department of Clinical Epidemiology Translational Medical Center National Center of Neurology and Psychiatry Tokyo JapanEndowed Course for Health System Innovation School of Medicine Keio University Tokyo Japan;
Department of Health Policy and Management School of Medicine Keio University Tokyo Japan;
Daily Actual Walking Speed; Pokémon GO Players; Experience of Outdoor Falls;