Exportin‐1 E571K mutation is a common finding in patients with classical Hodgkin lymphoma. Issue 2 (8th January 2019) - Navarro‐Bailón, Almudena; Jiménez, Cristina; Alonso‐Álvarez, Sara; Alcoceba, Miguel; González‐Calle, Verónica; Chillón, María Carmen; García‐Álvarez, María; Prieto, Isabel; Medina, Alejandro; González, Marcos; Caballero, María Dolores; Blanco, Óscar; et al.