[1] Hosp Reg Alta Especialidad Oaxaca, Internal Med, Oaxaca De Juarez, Mexico
[2] Inst Nacl Enfermedades Resp Ismael Cosio Villegas, Heart Failure & Resp Distress Clin, Mexico City, DF, Mexico
[3] Hosp Reg Alta Especialidad Oaxaca, Cardiol Dept, Oaxaca De Juarez, Mexico