1. Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences
2. Department of Maxillofacial Surgery, Nagoya City University Graduate School of Medical Sciences
3. Department of Ergonomics, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health
4. Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences
5. Department of Obstetrics and Gynecology, Nagoya City University Graduate School of Medical Sciences