Editorial : The molecular landscape and promising therapeutic targets in aggressive B-cell non-Hodgkin lymphomas - Witte, Hanno Maximilian (Universitätsklinikum Schleswig-Holstein (Alemanya)) ; Künstner, Axel (University of Lübeck) ; Chteinberg, Emil (Ulm University) ; Piazza, Francesco (University of Padova. Department of Medicine) ; Roué, Gaël (Institut Germans Trias i Pujol. Institut de Recerca contra la Leucèmia Josep Carreras) ; Gebauer, Niklas (University Cancer Center Schleswig-Holstein. University Hospital of Schleswig-Holstein)