1. Department of Public Health Sciences, Pennsylvania State College of Medicine, Hershey
2. Department of Biostatistics, New York University School of Medicine, New York
3. Department of Epidemiology, Johns Hopkins University, Baltimore, Maryland
4. Department of Hematology/Oncology, Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia
5. Department of Population and Public Health Sciences, Pennington Biomedical Research Center, Baton Rouge, Louisiana
6. Department of Radiology, Harlem Hospital Center, New York, New York
7. Department of Physical Therapy, Thomas Jefferson University, Philadelphia, Pennsylvania
8. Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia
9. Division of Hematology/Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania
10. Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota
11. Department of Social and Behavioral Sciences, Temple University, Philadelphia, Pennsylvania