1. Laboratory of Tumor Microenvironment and Therapeutic Resistance, VIB-Center for Cancer Biology, Department of Oncology, Katholieke Universiteit Leuven, 3000 Leuven, Belgium.
2. Brain Tumor Research Center, Department of Neurological Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA 94158, USA.
3. Swiss Institute for Experimental Cancer Research, School of Life Sciences, Swiss Federal Institute of Technology Lausanne (EPFL), Station 19, 1015 Lausanne, Switzerland.