1. Department of Medical Sciences, Division of Health Sciences, Guanajuato, Mexico;
2. Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA;
3. Maternal and Child Hospital, León, Guanajuato, Mexico;
4. Unit of Gineco-Pediatría UMAE No. 48, IMSS, León, Guanajuato, Mexico;
5. Departament of Medicine and Nutrition, University of Guanajuato Campus, León, Guanajuato, Mexico