1. From the Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, GA;
2. Reproduction Group, School of Medicine, University of Antioquia, Medellin, Colombia;
3. Biotechnology Group, School of Sciences, National University, Medellin, Colombia;
4. Department of Epidemiology and Public Health, School of Medicine, University of Antoquia, Medellin, Colombia