[1] Hosp Univ Dr Jose E Gonzalez UANL, Ctr Invest Prevenc & Tratamiento Infecc Resp CIPT, Monterrey, Mexico
[2] Hosp Univ Dr Jose Gonzalez UANL, Inmunol, Monterrey, Mexico
[3] Hosp Univ Dr Jose Gonzalez UANL, Patol Clin, Monterrey, Mexico
[4] Hosp Univ Dr Jose Gonzalez UANL, Med Interna, Monterrey, Mexico