[1] Univ Hosp Vienna, Div Cardiothorac & Vasc Anesthesia, A-1090 Vienna, Austria
[2] Univ Vienna, A-1090 Vienna, Austria
[3] Sanquin Consulting Serv, Amsterdam, Netherlands
[4] Univ Amsterdam, Acad Med Ctr, Dept Gastroenterol & Hepatol, NL-1105 AZ Amsterdam, Netherlands
[5] Charite Univ Med Berlin, Klin Anasthesiol Schwerpunkt Operat Intens Med, D-13353 Berlin, Germany
[6] Charite Univ Med Berlin, Klin Kardiovaskulare Chirurg, D-10117 Berlin, Germany
[7] Papworth Hosp, Dept Anaesthesia & Intens Care, Cambridge CB23 3RE, England
[8] Grp Hosp Sud, CHU Bordeaux, Serv Anesthesie Reanimat Chirurg 2, F-33604 Pessac, France
[9] Univ Montreal, CHUM, Montreal Heart Inst, Montreal, PQ H3C 3J7, Canada