1. Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA
2. Division of Hematology and Oncology, University of Alabama at Birmingham, Birmingham, AL, USA
3. Knight Cancer Institute, Oregon Health and Sciences University, Oregan, OR, USA
4. JPS Health Network, Research Institute, Fort Worth, TX, USA
5. Medscape, New York, NY, USA
6. Division of Preventive Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
7. University of South Alabama Mitchell Cancer Institute, Mobile, AL, USA
8. Weill Cornell Medical College, Cornell University, Ithaca, NY, USA