1. Department of Hematology, Oncology and Palliative Care, Klinikum Stuttgart, Stuttgart, Germany;
2. Department of Radiation Oncology, Massachusetts General Hospital, Boston, MA;
3. Unit of Lymphoid Malignancies, Department of Onco-Hematology, Istituto di Ricovero e Cura a Carattere Scientifico San Raffaele Scientific Institute, Milan, Italy;
4. Division of Hematology/Oncology, San Francisco Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA;
5. Partners Neurology Residency Program, Harvard Medical School, Boston, MA; and
6. Stephen E. and Catherine Pappas Center for Neuro-Oncology, Massachusetts General Hospital, Boston, MA