1. Nagoya City Public Health Research Institute
2. The Research Group of Occupational Infection Control and Prevention
3. National Institute of Occupational Safety and Health
4. Nagoya City Showa Health Center
5. Tokyo Women's Medical University
6. National College of Nursing
7. International Safety Center
8. National Center for Global Health and Medicine
9. St. Marianna University School of Medicine
10. Jichi Medical University
11. International University of Health and Welfare
12. Yamagata University
13. Tokyo University