1. Air Force Institute for Operational Health, Brooks City Base, San Antonio, Texas;University of Texas, San Antonio, Texas;
2. Centers for Disease Control and Prevention, Atlanta, Georgia;
3. Air Force Institute for Operational Health, Brooks City Base, San Antonio, Texas;
4. University of Texas, San Antonio, Texas;
5. Walter Reed/Armed Forces Research Institute of Medical Sciences Research Unit-Nepal, Kathmandu, Nepal;
6. Association of Medical Doctors of Asia-Nepal, Kathmandu, Nepal;
7. US Army Medical Component of the Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand