1. Department of Medicine, Mayo Clinic , Rochester, MN , USA
2. Department of Vascular Surgery, Massachusetts General Hospital Harvard Medical Center , Boston, MA , USA
3. Alix School of Medicine, Mayo Clinic , Rochester, MN , USA
4. Department of Medicine, University of California San Francisco , San Francisco, CA , USA
5. Department of Medicine , Mount Sinai, New York, NY , USA
6. School of Medicine, University of Washington , Seattle, WA , USA
7. Feinberg School of Medicine , Northwestern, Chicago, IL , USA
8. School of Medicine, University of California San Francisco , San Francisco, CA , USA
9. Department of Medicine, University of Vermont , Burlington, VT , USA
10. Department of Medicine, University of Michigan Medical Center , Ann Arbor, MI , USA
11. Department of Medicine, New York-Presbyterian Weill Cornell , New York, NY , USA
12. Department of Medicine, University of Pennsylvania , Philadelphia, PA , USA
13. Department of Obstetrics & Gynecology , Northwestern, Chicago, IL , USA
14. Department of Oncology, Mayo Clinic , Rochester, MN , USA
15. Department of Radiation Oncology, Dana Farber Cancer Institute Harvard Medical Center , Boston, MA , USA
16. Department of Oncology, University Hospitals, Case Western University , Cleveland, OH , USA