1. AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan.
2. AIDS/STI surveillance and Research Department, National Center for Communicable Diseases, Ulaanbaatar, Mongolia.
3. Youth for Health Center NGO, Ulaanbaatar, Mongolia.
4. School of Nursing, Gifu University of Health Sciences, Gifu, Japan.
5. Genome Medical Sciences Project, Research Institute, National Center for Global Health and Medicine, Chiba, Japan.
6. Institute for Consumer Sciences and Human Life, Kinjo Gakuin University, Nagoya, Japan.