Perez, Roberto S. G. M.*; Burm, Peter E. T.†; Zuurmond, Wouter W. A.*; Bezemer, P. Dick‡; Brink, Harry E. J.*; de Lange, Jaap J.*
From the *Department of Anesthesiology, VU University Medical Center, Amsterdam, The Netherlands; †Department of Surgery, Nijmegen Medical Center St. Radboud, Nijmegen; and ‡Department of Clinical Epidemiology and Biostatistics, Vrije Universiteit Medical Center, Amsterdam, The Netherlands.
Received for publication September 7, 2001; revised July 26, 2002; second revision April 14, 2003; accepted October 8, 2003.
Supported by a grant from the Dutch National Health Council (College voor Zorgverzekeringen), The Netherlands.
Reprints: Roberto Perez, Department of Anesthesiology, VU University Medical Center, PO Box 7057, 1007 MB, Amsterdam, The Netherlands (e-mail: [email protected]).