1. Unit Liver Research, Medica Sur Clinic & Foundation, Puente de Piedra 150, Toriello Guerra, Tlalpan, Mexico City 14050, Mexico
2. Faculty of Medicine, National Autonomous University of Mexico, Av. Universidad 3004, Copilco Universidad, Coyoacán, Mexico City 04510, Mexico
3. Internal Medicine Section, Central Military Hospital, Manuel Ávila Camacho s/n, Militar, Miguel Hidalgo, Ciudad de México 11200, Mexico