1. Hospital Universitario CEMIC Buenos Aires Argentina
2. Departamento de Ginecología y Obstetricia Fundación Valle del Lili Cali Colombia
3. Amsterdam University Medical Center, Doctoral School Amsterdam The Netherlands
4. Department of Obstetrics and Gynecology, Medicine Academy Lithuanian University of Health Sciences Kaunas Lithuania
5. Obstetrics Division, Department of Pediatrics, Gynecology and Obstetrics University Hospitals of Geneva Geneva Switzerland
6. Faculty of Medicine University of Geneva Geneva Switzerland