[1] Univ JE Purkyne Usti Nad Labem, Masarykova Nemocnice Usti Nad Labem, Klin Anesteziol Perioperacni & Intenzivni Med, Inst Postgrad Vzdelavani & Zdravotnictvi, Usti Nad Labem, Czech Republic
[2] Fak Nemocnice Hradec Kralove, Ctr Pro Vyzkum & Vyvoj, Hradec Kralove, Czech Republic
[3] Dalhousie Univ, Dept Anesthesia Pain Management & Perioperat Med, Halifax, NS, Canada
[4] Univ Karlova Praze, Klin Anesteziol Resuscitace & Intenzivni Med, Lekarska Fak Hradci Kralove, Prague, Czech Republic