1. Cancer Epigenetics Group, Josep Carreras Leukaemia Research Institute (IJC), Badalona, Spain
2. Centro de Investigación Biomédica en Red Cancer (CIBERONC), Madrid, Spain
3. Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
4. Physiological Sciences Department, School of Medicine and Health Sciences, University of Barcelona (UB), Barcelona, Spain