1. Department of Hematology, Cancer Center Amsterdam, Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, The Netherlands;
2. Erasmus MC Cancer Institute, Rotterdam, The Netherlands;
3. Myeloma Group, The Institute of Cancer Research, London, United Kingdom;
4. Department of Hematology, The Royal Marsden Hospital, London, United Kingdom;
5. Perlmutter Cancer Center, NYU Langone Health, New York, NY; and
6. Janssen Research & Development, Spring House, PA