[1] Univ Republica, Fac Med, Unidad Acad Clin Med 1, Montevideo, Uruguay
[2] Univ Republica, Hosp Clin, Dept Basico Med, Fac Med,Lab Citometria & Biol Mol, Montevideo, Uruguay
[3] Univ Republica, Fac Med, Unidad Acad Hematol, Montevideo, Uruguay
[4] Univ Republica, Fac Med, Unidad Acad Clin Med C, Montevideo, Uruguay
[5] Univ Republica, Fac Med, Dept Med Pathol, Unidad Acad Clin Med 2, Montevideo, Uruguay