1. Department of Internal Medicine, Louisiana State University Health Sciences Center, Shreveport, LA
2. Division of Cardiology, Louisiana State University Health Sciences Center, Shreveport, LA
3. Division of Hematology and Oncology, Louisiana State University Health Sciences Center, Shreveport, LA
4. University of Iowa Holden Comprehensive Cancer Center, Iowa City, IA
5. Division of Cardiology, University of Iowa Hospitals and Clinics, Iowa City, IA