1. Icahn School of Medicine at Mount Sinai, New York, NY (S.R.D., V.Y.R.)
2. Cedars Sinai Medical Center, Los Angeles, CA (S.K.)
3. Mayo Clinic, Rochester, MN (D.R.H.)
4. Pacific Heart Institute, Santa Monica, CA (S.K.D.)
5. Arizona Heart Rhythm Center, Phoenix (V.S.)
6. Scripps Clinic, La Jolla, CA (D.N.G.)
7. Delray Medical, Delray Beach, FL (B.M.)
8. Boston Scientific Corporation, St. Paul, MN (N.T.G.)
9. University of Missouri-Kansas City (M.L.M.).