1. University of California, San Diego School of Medicine and Skaggs School of Pharmacy & Pharmaceutical Sciences; San Diego; CA; USA
2. Chiang Rai Prachanukroh Hospital; Chiang Rai; Thailand
3. University of Southern California School of Medicine; Department of Obstetrics and Gynecology; Los Angeles; CA
4. Center for Biostatistics in AIDS Research; Harvard School of Public Health; Boston; MA; USA
5. Chonburi Hospital; Chonburi; Thailand
6. Prapokklao Hospital; Chantaburi; Thailand
7. Phayao Hospital; Phayao; Thailand
8. Bhumibol Adulyadej Hospital; Bangkok; Thailand
9. Eunice Kennedy Shriver; National Institute of Child Health & Development (NICHD); Bethesda; MD; USA
10. National Institute of Allergy and Infectious Diseases (NIAID); Bethesda; MD; USA
11. Irmandade da Santa Casa de Misericordia de Porto Alegre; Porto Alegre; Brazil
12. Boston University; School of Medicine; Boston; MA; USA