Protein kinase inhibitor ceritinib blocks ectonucleotidase CD39 – a promising target for cancer immunotherapy =============================================================================================================== * Laura Schäkel * Salahuddin Mirza * Riekje Winzer * Vittoria Lopez * Riham Idris * Haneen Al-Hroub * Julie Pelletier * Jean Sévigny * Eva Tolosa * Christa E Müller