From the Department of Anaesthesiology, Intensive Care, and Pain Medicine, St. Antonius Hospital, Nieuwegein, The Netherlands (BCA, HJBO-A, EPAvD, LMV, PGN), Department of Anaesthesiology, Intensive Care and Emergency Medicine, University Medical Centre Utrecht, Utrecht, the Netherlands (LMV, PGN), Department of Internal Medicine, Leiden University Medical Centre, Leiden, The Netherlands (DHB)

Correspondence to Peter G. Noordzij, Koekoekslaan 1, 3430 EM, Nieuwegein, The Netherlands. Tel: +31 883206948; e-mail: [email protected]

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