1. Department of Radiology, University of Pittsburgh, Pittsburgh 15213, PA
2. Medical Scientist Training Program, University of Pittsburgh, Pittsburgh 15261, PA
3. Department of Medicine, Division of Hematology/Oncology, Columbia University Irving Medical Center, New York 10032, NY
4. Program for Mathematical Genomics, Columbia University, New York 10032, NY
5. Department of Medicine, University of Pittsburgh, Pittsburgh 15213, PA
6. Department of Medicine, Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh 15213, PA
7. Department of Chemistry, University of Missouri, Columbia 65211, MO
8. Department of Radiology, University of Missouri, Columbia 65211, MO
9. Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh Medical Center, Pittsburgh 15213, PA