[1] St Olavs Univ Hosp, Dept Cardiothorac Surg, Trondheim, Norway
[2] Norwegian Univ Sci & Technol NTNU, Dept Circulat & Med Imaging, Prinsesse Kristinas gt. 3, N-7030 Trondheim, Norway
[3] Pain Therapy Kings Coll Hosp NHS Fdn Trust, Dept Anaesthet, London, England
[4] Kings Coll London, British Heart Fdn Ctr Excellence, Sch Cardiovasc & Metab Med & Sci, London, England
[5] Univ Hosp Ghent, Ctr Heart, 1350,C. Heymanslaan 10, B-9000 Ghent, Belgium
[6] Guys & St Thomas NHS Fdn Trust, Dept Anaesthesia, London, England
[7] Uppsala Univ Hosp, Dept Thorac Surg & Anaesthesiol, Uppsala, Sweden
[8] Evangel Heart Ctr, Dept Perfusiol, Coswig, Germany
[9] Univ Hosp Freiburg, Dept Cardiovasc Surg, Freiburg, Germany
[10] Albert Ludwigs Univ Freiburg, Fac Med, D-79108 Freiburg, Germany
[11] Southern Denmark Univ, Odense Univ Hosp, Dept Anaesthesia, Odense, Denmark
[12] Southern Denmark Univ, Inst Clin Med, Odense, Denmark
[13] Antwerp Univ Hosp, Perfus Dept, Edegem, Belgium
[14] Univ Bern, Bern Univ Hosp, Inselspital, Univ Dept Anesthesiol & Pain Med, Bern, Switzerland
[15] Med Spectrum Twente, Thoraxctr Twente, Dept Cardiothorac Surg, Enschede, Netherlands
[16] Univ Twente, TechMed Ctr, Dept Biomech Engn, Enschede, Netherlands
[17] Univ Iceland, Landspitali Univ Hosp, Fac Med, Dept Cardiothorac Surg, Reykjavik, Iceland
[18] Fdn Deutsch Herzzentrum Berlin, Berlin, Germany
[19] Univ Bologna, IRCCS Azienda Osped, Div Cardiac Surg, Bologna, Italy
[20] Univ Bologna, Bologna, Italy
[21] San Carlo Hosp, Cardiovasc Anesthesia & Intens Care, Potenza, Italy
[22] Univ Basilicata, San Carlo Hosp, Dept Hlth Sci Anesthesia, Potenza, Italy
[23] Univ Basilicata, San Carlo Hosp, ICU Sch Med, Potenza, Italy
[24] Univ Verona Med Sch, Div Cardiac Surg, Div Cardiac Surg, Verona, Italy
[25] IRCCS Policlin San Donato, Dept Cardiothorac Anesthesia, Milan, Italy
[26] IRCCS Policlin San Donato, ICU, Milan, Italy
[27] Dedinje Cardiovasc Inst, Dept Cardiac Surg, Belgrade, Serbia
[28] Clin Univ Navarra, Dept Anesthesia & Crit Care, Pamplona, Spain
[29] Inst Invest Sanit Navarra IdiSNA, Pamplona, Spain
[30] Dedinje Cardiovasc Inst, Dept Cardiac Surg & Cardiovasc Res, Belgrade, Serbia