[1] Univ Florida, Malcom Randall Vet Affairs Med Ctr, Dept Cardiol, Gainesville, FL USA
[2] Dow Univ Hlth Sci, Dept Med, Karachi, Pakistan
[3] Albany Med Ctr, Dept Med, Albany, NY USA
[4] Ziauddin Med Univ, Dept Med, Karachi, Pakistan
[5] Sinai Hosp Baltimore, Dept Med, Baltimore, MD USA
[6] West Virginia Univ, Dept Med, Morgantown, WV USA
[7] Marshall Univ, Sch Med, Dept Cardiol, Huntington, WV USA
[8] Bassett Healthcare, Dept Med, Cooperstown, NY USA
[9] Cleveland Clin Florida, Dept Cardiol, Weston, FL USA
[10] West Virginia Univ, Dept Cardiol, Morgantown, WV USA
[11] Mayo Inst Med Sci, Dept Dermatol, Barabanki, Uttar Pradesh, India
[12] Univ Tennessee, Hlth Sci Ctr, Dept Cardiol, Nashville, TN USA
[13] Augusta Univ, Med Coll Georgia, Div Cardiol, Augusta, GA USA
[14] Detroit Med Ctr, Cardiovasc Inst, Dept Cardiol, Detroit, MI 48201 USA