[1] Charles Univ Prague, Fac Med 1, Dept Anesthesiol & Intens Care Med, Prague, Czech Republic
[2] Gen Univ Hosp, Prague, Czech Republic
[3] Charles Univ Prague, Fac Med 1, Inst Med Humanities, Prague, Czech Republic
[4] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Dept Software Engn Econ, CR-11519 Prague, Czech Republic
[5] Univ South Bohemia Ceske Budejovice, Fac Hlth & Social studies, Dept Philosophy & Ethics Helping Profess, Ceske Budejovice, Czech Republic
[6] Dalhousie Univ, Dept Anesthesia Pain Management & Perioperat Med, Halifax, NS, Canada
[7] Charles Univ Prague, Univ Hosp Hradec Kralove, Fac Med Hradec Kralove, Dept Anesthesiol & Intens Care, Hradec Kralove, Czech Republic