National University of Singapore (NUS) - Health Services and Systems Research, The University of Osaka - Division of Biomedical Statistics, Osaka University Graduate School of Medicine - Department of Traumatology and Acute Critical Medicine, Osaka Police Hospital - Emergency and Critical Care Medical Center, Kansai Medical University - Department of Emergency and Critical Care Medicine, Tane General Hospital - Department of Emergency Medicine, Osaka City University - Department of Critical Care Medicine, Kindai University - Department of Emergency and Critical Care Medicine, Osaka Mishima Emergency Critical Care Center, Osaka General Medical Center - Critical Care and Trauma Center, Osaka Prefectural Nakakawachi Medical Center of Acute Medicine, Senshu Trauma and Critical Care Center, Saiseikai Senri Hospital - Senri Critical Care Medical Center, National Hospital Organization Osaka National Hospital - Traumatology and Critical Care Medical Center, Osaka City General Hospital - Emergency and Critical Care Medical Center, Osaka Red Cross Hospital - Department of Pediatrics, Kishiwada Tokushukai Hospital - Emergency and Critical Care Medical Center, Kansai Medical University - Department of Emergency and Critical Care Medicine, Kyoto Prefectural University of Medicine - Department of Emergency Medicine, Kyoto University - Department of Preventive Services, The University of Osaka - Division of Environmental Medicine and Population Sciences, Kyoto University - Department of Preventive Services, Kyoto University - Department of Preventive Services, Kyoto University - Department of Preventive Services, Kyoto University - Department of Preventive Services, Otsuma Women's University - Department of Food Science, The University of Osaka - Division of Environmental Medicine and Population Sciences, National University of Singapore (NUS) - Health Services and Systems Research, Kyoto University - Department of Preventive Services and The University of Osaka - Division of Environmental Medicine and Population Sciences