[1] Columbia Univ, Med Ctr, NewYork Presbyterian Hosp, Clin Trials Ctr,Cardiovasc Res Fdn, New York, NY USA
[2] Columbia Univ, Med Ctr, NewYork Presbyterian Hosp, Ctr Intervent Vasc Therapy, New York, NY USA
[3] Shenyang Northern Hosp, Shenyang, Peoples R China
[4] Auckland City Hosp, Auckland, New Zealand