1 Obesity and Digestive Disease Unit, Medica Sur Clinic and Foundation, Mexico.
2 Gastroenterology and Hepatology Department, Mexico's General Hospital "Dr. Eduardo Liceaga", Mexico.
3 Director of the Clinical Pathology Laboratory, Medica Sur Clinic and Foundation, Mexico.
4 Academic Coordinator, Central Military Hospital, Mexico.
5 Internal Medicine Department, Mexico's General Hospital "Dr. Eduardo Liceaga", Mexico.
6 Superior School of Medicine, National Polytechnic Institute, Mexico.
7 Liver Research Unit, Medica Sur Clinic & Foundation and Faculty of Medicine. National Autonomous University of Mexico, Mexico City, Mexico. Electronic address: nmendez@medicasur.org.mx.