[1] Duke Univ, Med Ctr, Durham, NC USA
[2] Duke Clin Res Inst, Durham, NC USA
[3] Meander Med Ctr, Amersfoort, Netherlands
[4] Univ Arizona, Tucson, AZ USA
[5] Papa Giovanni XXIII Hosp, Bergamo, Italy
[6] Univ Mississippi, Med Ctr, Jackson, MS 39216 USA
[7] Univ Alberta, Edmonton, AB, Canada
[8] Duke Natl Univ Singapore, Natl Heart Ctr Singapore, Singapore, Singapore
[9] Charite Campus Virchow Klinikum CVK, Berlin, Germany
[10] Wroclaw Med Univ, Wroclaw, Poland
[11] Univ Med Ctr Groningen, Groningen, Netherlands
[12] Inova Heart & Vasc Inst, Falls Church, VA USA