*Department of Anesthesiology, University Hospital Eppendorf, Hamburg, Germany; and †Department of Anesthesiology, University Witten/Herdecke, Cologne, Germany
Presented, in part, at the Annual Meeting of the American Society of Anesthesiologists, San Diego, CA, 2001.
Accepted for publication May 13, 2004.
Address correspondence and reprint requests to Frank Wappler, MD, Department of Anesthesiology, University Witten/Herdecke, Hospital Cologne-Merheim, Ostemerheimer Strassse 200, D-51109 Cologne, Germany. Address e-mail to[email protected].