1. Pontificia Universidad Católica de Chile; Department of Family Medicine, Faculty of Medicine; Centro Medico San Joaquin, Vicuña Mackenna 4686 Macul Santiago Chile
2. Centro Rosarino de Estudios Perinatales (CREP); Moreno 878, 6th floor Rosario Santa Fe Argentina S2000DKR
3. Free time independent Cochrane reviewer; 24 de septiembre 675 9 piso C Tucumàn Tucumàn Argentina 4000
4. Faculty of Medicine, Pontificia Universidad Católica de Chile; Division of Obstetrics and Gynecology, Evidence Based Health Care Program; Lira 85 5to piso Santiago RM Chile
5. Pontificia Universidad Católica de Chile; Department of Nutrition, Diabetes and Metabolism; Santiago Chile