COPANLISIB IN PATIENTS WITH RELAPSED OR REFRACTORY INDOLENT B‐CELL LYMPHOMA (CHRONOS‐1). (June 2017) - Dreyling, M.; Santoro, A.; Mollica, L.; Leppä, S.; Follows, G.A.; Lenz, G.; Kim, W.; Nagler, A.; Panayiotidis, P.; Demeter, J.; Özcan, M.; Kosinova, M.; et al.