1 National Autonomous University of Mexico, Mexico City, Mexico; Liver Research Unit, Medica Sur Clinic Foundation, Mexico City 14050, Mexico. Electronic address: nmendez@medicasur.org.mx.
2 National Autonomous University of Mexico, Mexico City, Mexico; Liver Research Unit, Medica Sur Clinic Foundation, Mexico City 14050, Mexico.
3 Department of Pediatrics, Medica Sur Clinic Foundation, Mexico City 14050, Mexico.
4 National Autonomous University of Mexico, Mexico City, Mexico; Department of Education, Hospital Infantil de Mexico "Federico Gómez", Mexico City, Mexico.
5 National Autonomous University of Mexico, Mexico City, Mexico; Endocrinology Department, Hospital Infantil de Mexico "Federico Gómez", Mexico City, Mexico.