1. Division of Hematology and Hematopoietic Stem Cell Transplantation; Department of Internal Medicine; School of Medicine; Universidad Autonoma de Bucaramanga; Bucaramanga Colombia
2. Hematology and Hematopoietic Stem Cell Transplantation Unit; Clinica Carlos Ardila Lulle; Bucaramanga Colombia
3. Department of Endocrinology; School of Medicine; Universidad Autonoma de Bucaramanga; Bucaramanga Colombia
4. Department of Public Health; School of Medicine; Universidad Autonoma de Bucaramanga; Bucaramanga Colombia
5. Research Department; Universidad Autonoma de Bucaramanga; Bucaramanga Colombia
6. Division of Hematology; Department of Internal Medicine; School of Medicine; Universidad Nacional Autonoma de Mexico; Ciudad de Mexico Mexico