[1] McGill Univ, Jewish Gen Hosp, Div Cardiol, Montreal, PQ H3T 1E2, Canada
[2] Geisinger Med Ctr, Danville, PA 17822 USA
[3] Montreal Gen Hosp, Montreal, PQ H3G 1A4, Canada
[4] Univ Connecticut, Farmington, CT USA
[5] Aga Khan Univ, Karachi, Pakistan
[6] Manhattan Vet Affairs Med Ctr, New York, NY USA
[7] SSKM Hosp, Kolkata, W Bengal, India
[8] Vet Affairs Med Ctr, Ann Arbor, MI USA
[9] Rambam Med Ctr, Haifa, Israel