1. Department of Health Services Research, MD Anderson Cancer Center, The University of Texas, Houston, TX 77030, USA
2. Thoracic-Head & Neck Medical Oncology, MD Anderson Cancer Center, The University of Texas, Houston, TX 77030, USA
3. Melanoma Medical Oncology, MD Anderson Cancer Center, The University of Texas, Houston, TX 77030, USA
4. Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, MA 21205, USA
5. Department of Rheumatologic and Immunologic Disease, Cleveland Clinic, Cleveland, OH 44195, USA
6. Department of Health Promotion and Behavioral Sciences, School of Public Health, Health Science Center, The University of Texas, Houston, TX 77030, USA
7. Department of Internal Medicine, MD Anderson Cancer Center, The University of Texas, Houston, TX 77030, USA