1. Ach Medical University, Ulaanbaatar, Mongolia.
2. Institute of Public Health, National Yang Ming Chiao Tung University, Taipei, Taiwan.
3. School of Medicine, Etugen University, Ulaanbaatar, Mongolia.
4. Mongolian Institute of Certified Public Accountants, Ulaanbaatar, Mongolia.
5. National Statistics Office of Mongolia, Ulaanbaatar, Mongolia.