[1] Inst Clin Effectiveness & Hlth Policy IECS, Buenos Aires, DF, Argentina
[2] RTI Int, Res Triangle Pk, NC 27709 USA
[3] NICHHD, Ctr Res Mothers & Children Eunice Kennedy Shriver, NIH, Rockville, MD 20852 USA
[4] RTI Int, Durham, NC 27709 USA
[5] Univ Teaching Hosp, Lusaka, Zambia
[6] IMSALUD, Guatemala City 01011, Guatemala
[7] J N Med Coll, Dept Physiol, Belgaum 590010, Karnataka, India
[8] J N Med Coll, Dept Med Educ, Belgaum 590010, Karnataka, India
[9] Jawaharlal Nehru Med Coll, KLEU Res Fdn, Belgaum 590010, Karnataka, India
[10] Aga Khan Univ, Coll Med, Dept Community Hlth Sci, Karachi 74800, Pakistan
[11] Indira Gandhi Govt Med Coll, Clin Epidemiol Unit, Dept Pediat, Nagpur 440013, Maharashtra, India
[12] Moi Univ, Sch Med, Eldoret 30100, Kenya
[13] Univ Alabama Birmingham, Dept Pediat, Div Neonatol, Birmingham, AL USA
[14] Univ Colorado Denver, Aurora, CO 80045 USA
[15] Christiana Care, Dept OB GYN, Newark, DE 19718 USA
[16] Columbia Univ, Dept Obstet Gynecol, New York, NY 10032 USA
[17] Massachusetts Gen Hosp Children, Dept Pediat, Div Global Hlth, Boston, MA 02114 USA
[18] Indiana Univ Sch Med, Dept Pediat, Indianapolis, IN 46202 USA
[19] Eunice Kennedy Shriver Natl Inst Child Hlth & Hum, Ctr Res Mothers & Children, NIH, Rockville, MD 20852 USA
[20] Cincinnati Childrens Hosp, Cincinnati, OH 45229 USA
[21] Tulane Sch Publ Hlth & Trop Med, Sch Publ Hlth, New Orleans, LA 70112 USA