1. Department of Family Medicine and Community Health; Case Western Reserve University School of Medicine; Cleveland OH USA
2. Department of General Internal Medicine; University of Pittsburgh; Pittsburgh PA USA
3. Cleveland State University; Cleveland OH USA
4. Northeast Ohio Medical University; Rootstown OH USA
5. Department of Internal Medicine; MetroHealth Medical Center; Cleveland OH USA
6. Department of Epidemiology and Biostatistics; Case Western Reserve University School of Medicine; Cleveland OH USA
7. Case Comprehensive Cancer Center; Cleveland OH USA