1. Universidad Nacional de Colombia, Sede Orinoquia, Arauca, Colombia
2. Reproduction Group, Department of Microbiology and Parasitology, Medical School, University of Antioquia, Antioquia, Colombia
3. Nuffield Department of Women's & Reproductive Health, University of Oxford, Women's Centre, Level 3, John Radcliffe Hospital, Oxford
4. Department of Basic Sciences, College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
5. Division of Medical Physiology, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa