[1] European Med Sch Oldenburg Groningen, Dept Cardiol, Heart Ctr Oldenburg, Oldenburg, Germany
[2] Univ Calif San Francisco, San Francisco, CA 94143 USA
[3] Univ Brescia, Dept Med & Surg Specialties Radiol Sci & Publ Hlt, Brescia, Italy
[4] Wroclaw Med Univ, Clin Mil Hosp, Dept Heart Dis, Wroclaw, Poland
[5] Momentum Res Inc, Durham, NC USA
[6] Duke Univ, Med Ctr, Duke Clin Res Inst, Durham, NC 27706 USA
[7] Attikon Univ Hosp, Athens, Greece
[8] Univ Calif San Diego, San Diego, CA 92103 USA
[9] Novartis Pharmaceut, E Hanover, NJ USA
[10] Novartis Pharma AG, Basel, Switzerland
[11] Columbia Univ, Med Ctr, New York, NY USA
[12] Univ Med Ctr Groningen, Dept Cardiol, Groningen, Netherlands