1. 1Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania.
2. 2Division of Hematology-Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
3. 3Newlink Genetics (now LUMOS Pharmaceuticals), Ames, Iowa.
4. 4Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland.
5. 5Department of Hematology-Oncology, Allegheny Health Network Cancer Institute, Pittsburgh, Pennsylvania.
6. 6Division of Oncology, Department of Internal Medicine, Washington University in St. Louis, St. Louis, Missouri.
7. 7University of Utah Huntsman Cancer Institute, Salt Lake City, Utah.