Moser O, Zimmermann M, Meyer U, Klapper W, Oschlies I, Schrappe M, Attarbaschi A, Mann G, Niggli F, Spix C, Kontny U, Klingebiel T, Reiter A, Burkhardt B, Woessmann W. Second malignancies after treatment of childhood non-Hodgkin lymphoma: a report of the Berlin-Frankfurt-Muenster study group. Haematologica 2021;106(5):1390-1400; https://doi.org/10.3324/haematol.2019.244780.