[1] Univ Autonoma Nuevo Leon, Endocrinol Div, Internal Med Dept, Univ Hosp Dr Jose Eleuterio Gonzalez,Serv Edocrin, Ave Madero y Gonzalitos S-N, Monterrey 64460, NL, Mexico
[2] Univ Autonoma Nuevo Leon, Med Sch, Serv Edocrinol, Ave Madero y Gonzalitos S-N, Monterrey 64460, NL, Mexico
[3] Inst Nacl Ciencias Med & Nutr Salvador Zubiran, Obes Clin Endocrinol & Metab Dept, Vasco de Quiroga 15,Colonia Secc 16, Mexico City 14050, DF, Mexico