1. Reproduction Group; School of Medicine; Universidad de Antioquia; Medellín Colombia
2. Physiology and Biochemistry Department; School of Medicine; Universidad de Antioquia; Medellín Colombia
3. Biomedical Research Center; Universidad de Valparaíso; Valparaíso Chile
4. Placenta Laboratory; Department of Obstetrics; Jena University Hospital; Jena Germany