1. Department of Medicine, Cancer Institute of New Jersey, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, New Brunswick, NJ 08903; and Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY 10021.
2. Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY 10021.
3. Department of Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, NY 10021.
4. Department of Immunology and Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY 10021.
5. Department of Medicine, Cancer Institute of New Jersey, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, New Brunswick, NJ 08903.
6. Department of Medicine and Department of Immunology, Memorial Sloan-Kettering Cancer Center, New York, NY 10021.