1 Department of Internal Medicine, Section on Hospital Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina.
2 Department of Internal Medicine, Section of Hospital Medicine, Geisinger Medical Center, Danville, Pennsylvania.
3 Allama Iqbal Medical College, Lahore, Pakistan.
4 Liaquat University of Medical and Health Sciences, Jamshoro, Pakistan.
5 Department of Epidemiology and Prevention, Epidemiological Cardiology Research Center (EPICARE), Wake Forest School of Medicine, Winston-Salem, North Carolina.
6 Department of Internal Medicine, Section on Cardiology, Wake Forest School of Medicine, Winston-Salem, North Carolina.