1 Department of Internal Medicine, Kansas University Medical Center, Kansas City, KS, USA.
2 Division of Cardiovascular Disease, Saint Luke's Mid America Heart Institute, 4330 Wornall Rd, Ste 2000, Kansas City, MO, 64111, USA.
3 Division of Cardiovascular Disease, Loyola University Medical Center, Loyola Stritch School of Medicine, Maywood, IL, USA.
4 Division of Cardiovascular Disease, Saint Luke's Mid America Heart Institute, 4330 Wornall Rd, Ste 2000, Kansas City, MO, 64111, USA. awimmer@saintlukeskc.org.