[1] King Abdul Aziz Med City, Dept Cardiac Sci, Riyadh, Saudi Arabia
[2] King Abdullah Int Med Res Ctr, Riyadh, Saudi Arabia
[3] Cardioctr Ticino, Cardiac Anesthesia & Intens Care, Lugano, Switzerland
[4] New York Presbyterian Brooklyn Methodist Hosp, New York, NY USA
[5] Univ Toronto, Dept Med, Toronto, ON, Canada
[6] Univ Toronto, Interdept Div Crit Care Med, Toronto, ON, Canada
[7] Univ Pavia, Dept Clin Surg Diagnost & Paediat Sci, Unit Anaesthesia & Intens Care, Pavia, Italy
[8] Policlin San Matteo Fdn, Fdn Ist Ricovero & Cura Carattere Sci, Anaesthesia & Intens Care, Pavia, Italy
[9] King Fahad Specialist Hosp Dammam, Dammam, Saudi Arabia
[10] Francisco Vitoria Univ, Sch Med, Madrid, Spain
[11] Univ South Carolina, Sch Med, Columbia, SC 29208 USA
[12] Univ Pavia, Fdn IRCCS Policlin San Matteo, Anesthesia & Intens Care, Pavia, Italy
[13] Univ Hosp Cleveland, Med Ctr, Cleveland, OH 44106 USA
[14] Hop Nord Marseille, AP HM, Serv Anesthesie Reanimat, Chemin Bourrely, F-13015 Marseille, France
[15] Hosp Dr Emilio Ferreyra, Dept Teaching & Res, Necochea, Argentina
[16] Univ Calgary, Dept Med, Div Gen Internal Med, Calgary, AB, Canada
[17] Hosp Kuala Lumpur, Emergency & Trauma Dept, Kuala Lumpur 50586, Malaysia
[18] Minist Natl Guard Hlth Affairs, King Abdullah Int Med Res Ctr, King Abdulaziz Med City, Riyadh, Saudi Arabia
[19] King Saud Bin Abdulaziz Univ Hlth Sci, Coll Publ Hlth & Hlth Informat, Riyadh, Saudi Arabia
[20] Charles Univ Prague, Med Fac 1, Dept Anaesthesiol & Intens Care, Prague, Czech Republic
[21] Med Ecografista IADT, Buenos Aires, DF, Argentina
[22] Geneva Univ Hosp, Intens Care Div, Geneva, Switzerland
[23] CHU Dijon, Dept Anaesthesiol & Intens Care, F-21000 Dijon, France
[24] Univ Bourgogne Franche Comte, LNC UMR866, F-21000 Dijon, France
[25] PICU Hosp San Juan de Dios, Santiago, Chile
[26] FOM Univ Econ & Management, Frankfurt Campus, Frankfurt, Germany
[27] Hosp Gen, Inst Mexicano Seguro Social, De Zona 4, Monterrey, Nuevo Leon, Mexico
[28] Great North Trauma & Emergency Care Newcastle, Newcastle Upon Tyne, Tyne & Wear, England
[29] Latisana Gen Hosp, Emergency Dept, Latisana, Italy
[30] Univ Pisa, Dept Surg Med & Mol Pathol & Crit Care Med, Pisa, Italy
[31] Univ Penn, Philadelphia, PA 19104 USA
[32] Montreal Heart Inst, Montreal, PQ, Canada
[33] Medanta, Gurgaon, India
[34] Osped Niguarda C Grande, Milan, Italy
[35] Bundang Jesaeng Hosp, Dept Emergency Med, Seoul, South Korea
[36] WINFOCUS Argentina BOD, Rosario, Santa Fe, Argentina
[37] Jichi Med Univ, Dept Clin Lab Med, Tokyo, Japan
[38] Jichi Med Univ, Dept Emergency Med, Tokyo, Japan
[39] Oregon Hlth & Sci Univ, Portland, OR 97201 USA
[40] Univ Southern Denmark, Odense Univ Hosp, Dept Resp Med, Dept Clin Res, Odense, Denmark
[41] Khoo Teck Puat Hosp, Singapore, Singapore
[42] Yale Sch Med, Dept Emergency Med, New Haven, CT USA
[43] Herzzentrum Leipzig, Leipzig, Germany
[44] Hosp Emergencias Dr Clemente Alvarez, Dept Ultrasound & Doppler, Rosario, Santa Fe, Argentina
[45] Careggi Univ Hosp, Dept Emergency Med, Florence, Italy
[46] Icahn Sch Med Mt Sinai, Dept Emergency Med, New York, NY 10029 USA
[47] Univ Belgrade, Clin Hosp Zemun, Fac Med, Belgrade, Serbia
[48] Univ Lleida, Fac Med, Lleida, Spain
[49] Hosp Raja Permaisuri Bainun, Ipoh, Perak, Malaysia
[50] FAME Med Sch Barbacena MG Brasil, Barbacena, Brazil