[1] New York State Psychiat Inst & Hosp, Dept Clin Psychopharmacol, New York, NY 10032 USA
[2] Columbia Univ Coll Phys & Surg, Dept Psychiat, New York, NY 10032 USA
[3] Columbia Univ Coll Phys & Surg, Dept Med, New York, NY 10032 USA
[4] Duke Univ, Med Ctr, Dept Cardiol, Durham, NC USA
[5] Duke Univ, Med Ctr, Dept Psychiat, Durham, NC USA
[6] Univ Gothenburg, Dept Med, Gothenburg, Sweden
[7] IRCCS Policlin San Mateo, Dept Cardiol, Pavia, Italy
[8] Univ Pavia, I-27100 Pavia, Italy
[9] Queens Univ, Dept Psychiat, Kingston, ON K7L 3N6, Canada
[10] Univ Ottawa, Ottawa Heart Inst, Ottawa, ON, Canada
[11] Univ Ottawa, Dept Psychiat, Ottawa, ON K1N 6N5, Canada
[12] W Virginia Univ, Sch Med, Dept Med, Morgantown, WV 26506 USA
[13] Cardiac Associates So Connecticut, Bridgeport, CT USA
[14] Univ Florida, Div Cardiovasc Med, Gainesville, FL USA
[15] Pfizer Inc, New York, NY USA