de Boer, Jana; Debacker, Michelb c
aDepartment of Surgery, Free University Hospital, Amsterdam, the Netherlands
bDepartment of Critical Care, Free University of Brussels, Brussels, Belgium
cDepartment of Emergency Medicine, Catholic University of Leuven, Leuven, Belgium
Correspondence to Professor Dr J. de Boer, Hoog Barge 37, 7211 DT Eefde, the Netherlands.
e-mail: [email protected]
Received 15 January 2002 Revised 4 September 2002 Accepted 1 October 2002