[1] Indira Gandhi Govt Med Coll, Nagpur, Maharashtra, India
[2] Lata Med Res Fdn, Nagpur, Maharashtra, India
[3] Indiana Univ Sch Med, Indianapolis, IN 46202 USA
[4] Moi Univ, Eldoret, Kenya
[5] Univ Colorado, Sch Med, Denver, CO USA
[6] KLE Univ Jawaharlal Nehru Med Coll, Belgaum, India
[7] Univ Teaching Hosp, Lusaka, Zambia
[8] FANCAP, Guatemala City, Guatemala
[9] Aga Khan Univ, Karachi, Pakistan
[10] Christiana Care Hlth Syst, Newark, DE USA
[11] Univ Alabama Birmingham, Birmingham, AL USA
[12] Columbia Univ, New York, NY USA
[13] IECS, Buenos Aires, DF, Argentina
[14] RTI Int, Durham, NC USA
[15] Eunice Kennedy Shriver Natl Inst Child Hlth & Hum, US Natl Inst Hlth, Bethesda, MD USA
[16] Massachusetts Gen Hosp Children, Boston, MA USA