1. From the Departments of Anesthesiology (G.F.A.J., A.K., J.A.O.) and Neurosurgery (A.B.), Academic Medical Centre, University of Amsterdam, Amsterdam, the Netherlands, and Nepal International Clinic (B.B.), Kathmandu, Nepal. Correspondence and reprint requests to Gerard F.A. Jansen, MD, Department of Anesthesiology, H-1-Z, Academic Medical Centre, University of Amsterdam, PO Box 22660, 1100 DD Amsterdam, Netherlands.