[1]Univ Duisburg Essen, Essen, Germany.
[2]St Georges Vasc Inst, London, England.
[3]CHU Rangueil, F-31054 Toulouse, France.
[4]Med Univ Vienna, Vienna, Austria.
[5]Fudan Univ, Zhongshan Hosp, Shanghai 200433, Peoples R China.
[6]Univ Leipzig, Ctr Heart, Leipzig, Germany.
[7]IRCCS, Policlin San Donato, Milan, Italy.
[8]St Antonius Hosp, Nieuwegein, Netherlands.
[9]Univ Hosp Bern, CH-3010 Bern, Switzerland.
[10]Univ Aachen, D-5100 Aachen, Germany.
[11]Gentofte Univ Hosp, Hellerup, Denmark.
[12]Univ Heidelberg, Heidelberg, Germany.
[13]Malmo Univ Hosp, Malmo, Sweden.
[14]Univ Hosp Mainz, Mainz, Germany.
[15]Sheffield Vasc Inst, Sheffield, S Yorkshire, England.
[16]Erasmus MC, Rotterdam, Netherlands.