1. School of Medicine-Rady Children's Hospital and Skaggs School of Pharmacy & Pharmaceutical Sciences; University of California San Diego; San Diego CA USA
2. Harvard Medical School; Children's Hospital Boston; Boston MA USA
3. Department of Preventive Medicine; Rush University Medical Center; Chicago IL USA
4. Department of Obstetrics and Gynecology; University of Southern California School of Medicine; Los Angeles CA USA
5. Division of Epidemiology and Biostatistics; University of Arizona Mel & Enid Zuckerman College of Public Health; Tucson AZ USA
6. Harvard School of Public Health; Center for Biostatistics in AIDS Research; Boston MA USA
7. Social and Scientific Systems; Silver Springs MD USA
8. Frontier Science & Technology Research Foundation; Amherst NY USA
9. Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD); Bethesda MD USA
10. National Institute of Allergy and Infectious Diseases (NIAID); Bethesda MD USA
11. College of Pharmacy; University of Nebraska Medical Center; Omaha NE USA
12. Boston University School of Medicine; Boston MA USA