TF and acute lymphoblastic leukemia: A map of chromatin accessibility and TF‐binding motifs of the five developing healthy T‐cell populations (DN2, DN3&ISP, DPCD3−&DPCD3+, SPCD4+, and SPCD8+) served as a basis for the deconvolution of 19 pediatric T‐ALLs reflecting different immunophenotypes (pre‐, pro‐, cortical‐, and mature‐T‐ALL; Dataset EV6).