1. Department of Traumatology and Acute Critical Medicine; Osaka University Graduate School of Medicine; Suita Japan
2. Division of Environmental Medicine and Population Sciences; Department of Social and Environmental Medicine; Graduate School of Medicine; Osaka University; Suita Japan
3. Department of Public Health; Tokyo Women's Medical University; Tokyo Japan
4. Kyoto University Health Services; Kyoto Japan
5. Osaka Municipal Fire Department; Osaka Japan