Farmakis, Dimitrios, Alvarez, Julian, Ben Gal, Tuvia, Brito, Dulce, Fedele, Francesco, Fonseca, Candida, Gordon, Anthony C., Gotsman, Israel, Grossini, Elena, Guarracino, Fabio, Harjola, Veli-Pekka, Hellman, Yaron, Heunks, Leo, Ivancan, Visnja, Karavidas, Apostolos, Kivikko, Matti, Lomivorotov, Vladimir, Longrois, Dan, Masip, Josep, Metra, Marco, Morelli, Andrea, Nikolaou, Maria, Papp, Zoltan, Parkhomenko, Alexander, Poelzl, Gerhard, Pollesello, Piero, Ravn, Hanne Berg, Rex, Steffen, Riha, Hynek, Ricksten, Sven-Erik, Schwinger, Robert H. G., Vrtovec, Bojan, Yilmaz, M. Birhan, Zielinska, Marzenna, Parissis, John, Clinicum, Anestesiologian yksikkö, Department of Diagnostics and Therapeutics, [Farmakis, Dimitrios -- Parissis, John] Univ Athens, Univ Athens, Dept Cardiol, Heart Failure Unit,Univ Attikon, Athens, Greece -- [Alvarez, Julian] Univ Santiago Compostela, Dept Anesthesia, Santiago De Compostela, Spain -- [Alvarez, Julian] Univ Santiago Compostela, Surg ICU, Santiago De Compostela, Spain -- [Ben Gal, Tuvia] Rabin Med Ctr, Cardiol Clin, Petah Tiqwa, Israel -- [Brito, Dulce] Hosp Santa Maria, Dept Cardiol, Ctr Hosp Lisboa Norte, Lisbon, Portugal -- [Fedele, Francesco] Sapienza Univ Rome, Dept Cardiovasc Resp Nephrol Anesthesiol & Geriat, Rome, Italy -- [Fonseca, Candida] Univ Nova Lisboa, Heart Failure Unit, Dept Internal Med,NOVA Med Sch,Fac Ciencias Med, Hosp Sao Francico Xavier,Ctr Hosp Lisbo Ocidental, Lisbon, Portugal -- [Gordon, Anthony C.] Imperial Coll London, Sect Anaesthet Pain Med & Intens Care, London, England -- [Gotsman, Israel] Hadassah Univ Hosp Jerusalem, Inst Heart, Cardiol Clin, Jerusalem, Israel -- [Grossini, Elena] Univ East Piedmont, Physiol Lab, Novara, Italy -- [Guarracino, Fabio] Azienda Osped Univ Pisana, Dept Anaesthesia & Crit Care Med Cardiothorac Ana, Pisa, Italy -- [Harjola, Veli-Pekka] Univ Helsinki, Helsinki Univ Hosp, Emergency Med, Helsinki, Finland -- [Hellman, Yaron] Carmel Hosp, Heart Failure Serv, Haifa, Israel -- [Heunks, Leo] Radboud Univ Nijmegen, Med Ctr, Dept Intens Care, Nijmegen, Netherlands -- [Ivancan, Visnja] Univ Hosp Ctr, Emergency Cardiol Dept, Zagreb, Croatia -- [Karavidas, Apostolos] G Gennimatas Gen Hosp, Dept Cardiol, Athens, Greece -- [Kivikko, Matti -- Pollesello, Piero] Orion Pharma, Crit Care Proprietary Prod, Espoo, Finland -- [Lomivorotov, Vladimir] State Res Inst Circulat Pathol, Dept Anesthesiol & Intens Care, Novosibirsk, Russia -- [Longrois, Dan] Univ Paris Diderot, Hop Uiversitaires Paris Nord Val Seine, Hop Bichat Claude Bernard, Dept Anesthesie Reanimat Chirurg, Paris, France -- [Masip, Josep] Hosp St Joan Despi Moises Broggi, Intens Care Unit, Barcelona, Spain -- [Metra, Marco] Univ & Civil Hosp, Cardiol Clin, Brescia, Italy -- [Morelli, Andrea] Univ Roma La Sapienza, Dept Anesthesiol & Intens Care, Policlin Umberto 1, Rome, Italy -- [Nikolaou, Maria] Sismanoglio & Amalia Fleming Gen Hosp, Dept Cardiol, Athens, Greece -- [Papp, Zoltan] Univ Debrecen, Fac Med, Dept Cardiol, Div Clin Physiol, Debrecen, Hungary -- [Parkhomenko, Alexander] Inst Cardiol, Dept Anesthesiol, Kiev, Ukraine -- [Parkhomenko, Alexander] Inst Cardiol, Intens Care Unit Cardiac Surg Patients, Kiev, Ukraine -- [Poelzl, Gerhard] Univ Klin Innsbruck, Innere Med 3, Innsbruck, Austria -- [Ravn, Hanne Berg] Rigshosp, Ctr Heart, Dept Cardiothorac Anaesthesia, Copenhagen, Denmark -- [Rex, Steffen] Univ Leuven, Dept Cardiovasc Sci, Leuven, Belgium -- [Riha, Hynek] Inst Clin & Expt Med, Dept Anaesthesiol & Intens Care Med, Cardiothorac Anaesthesiol & Intens Care, Prague, Czech Republic -- [Ricksten, Sven-Erik] Univ Gothenburg, Sahlgrenska Univ Hosp, Inst Clin Sci, Dept Anesthesiol & Intens Care Med, Gothenburg, Sweden -- [Schwinger, Robert H. G.] Klinikum Weiden, Med Klin 2, Weiden, Germany -- [Vrtovec, Bojan] Univ Clin Ctr Ljubljana, Dept Cardiol, Ljubljana, Slovenia -- [Yilmaz, M. Birhan] Cumhuriyet Univ, Dept Cardiol, Sivas, Turkey -- [Zielinska, Marzenna] Med Univ Lodz, Dept Intens Cardiac Therapy, Lodz, Poland, Brito, Dulce Alves -- 0000-0003-1278-1847, Lomivorotov, Vladimir -- 0000-0001-8591-6461, Pollesello, Piero -- 0000-0001-6994-768X, YILMAZ, Mehmet Birhan -- 0000-0002-8169-8628, Zielinska, Marzenna -- 0000-0002-0118-8610, Gordon, Anthony -- 0000-0002-0419-547X, YILMAZ, MEHMET BIRHAN -- 0000-0002-8169-8628, Alvarez, Julian -- 0000-0002-2518-0891, MORELLI, ANDREA -- 0000-0001-6065-1006, Riha, Hynek -- 0000-0002-9861-7361, Gotsman, Israel -- 0000-0001-9608-2298, and Rex, Steffen -- 0000-0002-3536-9321