Helios Salud, Buenos Aires, Argentina
Hospital del Niño, Panama City, Panama
Rahima Moosa Mother and Child Hospital, Johannesburg, South Africa
Emory University School of Medicine NICHD CRS, Atlanta, Georgia, United States
Johns Hopkins Univ. Baltimore NICHD CRS, Baltimore, Maryland, United States
Wits RHI Shandukani Research, Johannesburg, Gauteng, South Africa
Harvard University, Cambridge, Massachusetts, United States
Richmond Pharmacology Ltd., Croydon, London, United Kingdom
Faculty of dentistry-Ain shams University, Cairo, Egypt