ATM and B-cell chronic lymphocytic leukemia: The minimally deleted regions point to putative CLL drivers: MIR15A/MIR16-1 (MIR15A/16-1; microRNAs) and deleted in lymphocytic leukemia-2 (DLEU2) (long non-coding RNA, lncRNA) at 13q14, TP53 at 17p13, and ATM and BIRC3 at 11q22 [49].