[1] Univ Autonoma Bucaramanga, Div Hematol & Hematopoiet Stem Cell Transplantat, Sch Med, Internal Med, Bucaramanga, Colombia
[2] Clin FOSCAL, Hematol & Hematopoiet Stem Cell Transplantat Unit, Bucaramanga, Colombia
[3] Univ Autonoma Bucaramanga, Sch Med, Internal Med, Bucaramanga, Colombia
[4] Clin FOSCAL, Pulm Med, Bucaramanga, Colombia
[5] Univ Autonoma Bucaramanga, Sch Med, Bucaramanga, Colombia
[6] Univ Autonoma Bucaramanga, Sch Med, Publ Hlth, Bucaramanga, Colombia