[1] Univ Amsterdam, Amsterdam UMC, Canc Ctr Amsterdam, Amsterdam, Netherlands
[2] Odense Univ Hosp, Odense, Denmark
[3] Aarhus Univ Hosp, Aarhus, Denmark
[4] Copenhagen Univ Hosp, Rigshospitalet, Copenhagen, Denmark
[5] Genmab, Princeton, NJ USA
[6] AbbVie, N Chicago, IL USA
[7] Mem Sloan Kettering Canc Ctr, Chron Lymphocyt Leukemia Program, New York, NY USA