Department of Life Sciences;
University of Trieste;
Trieste 34127;
Italy;
Department of Medical;
Surgical and Health Sciences;
University of Trieste;
Trieste 34149;
Italy;
Institute for Maternal and Child Health I.R.C.C.S Burlo Garofolo;
Trieste 34137;
Italy;
Thiopurines; Gastrointestinal adverse effects; Biomarkers; PACSIN2; RAC1; ITPA;