[1] Aga Khan Univ, Dept Community Hlth Sci, Karachi, Pakistan
[2] Drexel Univ, Dept Obstet & Gynecol, Philadelphia, PA 19104 USA
[3] Res Triangle Inst, Dept Stat & Epidemiol, Durham, NC USA
[4] Jawaharlal Nehru Med Coll, KLE Res Fdn, Belgaum, India
[5] Univ Buenos Aires, Inst Clin Effectiveness & Hlth Policy, Buenos Aires, DF, Argentina
[6] Indira Gandhi Govt Med Coll, Dept Pediat, Nagpur, Maharashtra, India
[7] Moi Univ, Dept Pediat, Eldoret, Kenya
[8] San Carlos Univ, Guatemala City, Guatemala
[9] Univ Zambia, Dept Pediat, Lusaka, Zambia
[10] ECLAMP, Guatemala City, Guatemala
[11] Christiana Hlth Care, Dept Obstet & Gynecol, Delaware, OH USA
[12] Partners Hlth Org, Boston, MA USA
[13] Univ Alabama Birmingham, Dept Pediat, Birmingham, AL USA
[14] Indiana Univ, Dept Pediat, Indianapolis, IN 46204 USA
[15] Univ Colorado, Denver, CO 80202 USA
[16] Tulane Sch Publ Hlth & Trop Med, New Orleans, LA USA
[17] TRG Inc, Alexandria, VA USA
[18] Eunice Kennedy Shriver Natl Inst Child Hlth & Hum, Bethesda, MD USA
[19] Cincinnati Childrens Hosp, Dept Pediat, Cincinnati, OH USA