[1] Univ Autonoma Nuevo Leon, Hosp Univ Dr Jose Eleuterio Gonzalez, Dept Med Interna, Monterrey, Nuevo Leon, Mexico
[2] Univ Autonoma Nuevo Leon, Serv Reumatol, Dept Med Interna, Hosp Univ Dr Jose Eleuterio Gonzalez, Monterrey, Nuevo Leon, Mexico
[3] Univ Autonoma Nuevo Leon, Serv Cardiol, Dept Med Interna, Hosp Univ Dr Jose Eleuterio Gonzalez, Monterrey, Nuevo Leon, Mexico