1. Knight Cardiovascular Institute, Oregon Health & Science Univ, Portland, OR
2. Massachusetts General Hosp, Boston, MA
3. Vancouver, Canada
4. Dept of Orthopedics and Rehabilitation, Univ of Wisconsin Madison, WI
5. Univ of Washington, Seattle, WA
6. Duke Med Cntr, Durham, NC
7. Mayo Clinic, Rochester, MN
8. Dept of Exercise and Sport Science, Univ of North Carolina at Chapel Hill, NC
9. WA
10. Family and Community Medicine, The Univ of Alabama at Birmingham Heersink Sch of Medicine, AL