[1] Pontificia Univ Catolica Chile, Dept Hematol & Oncol, Fac Med, Santiago, Chile
[2] Pontificia Univ Catolica Chile, Fac Med, Dept Pathol, Santiago, Chile
[3] Pontificia Univ Catolica Chile, Santiago, Chile
[4] Mem Sloan Kettering Canc Ctr, Dept Med, New York, NY USA
[5] Pontificia Univ Catolica Chile, Dept Pathol, Santiago, Chile
[6] Hosp Dr Sotero del Rio, Dept Pathol, Santiago, Chile
[7] Mem Sloan Kettering Canc Ctr, Dept Med, New York, NY USA
[8] Cornell Univ, Weill Med Coll, New York, NY USA