[1] Erasmus MC, Dept Internal Med, Sect Nursing Sci, Rotterdam, Netherlands
[2] Ikazia Hosp, Dept Intens Care, Rotterdam, Netherlands
[3] Erasmus MC, Dept Intens Care, Rotterdam, Netherlands
[4] Erasmus MC, Dept Anesthesiol, Rotterdam, Netherlands
[5] Bravis Hosp, Dept Anesthesiol & Intens Care, Bergen Op Zoom, Netherlands
[6] Ikazia Hosp, Dept Intens Care, Montessoriweg 1, NL-3083 AN Rotterdam, Netherlands