∥ STANPUMP program is available from the author at . Accessed December 2003.# XO/2 is available from the authors at . Accessed March 2003.** Stadler K, Frei CW, Hausheer D, Sierra R, Leibundgut D, Glattfelder AH, Zbinden AM: Simulating a Patient Undergoing Anesthesia for Controller Development and Educational Purposes. Available at: . Accessed March 2003.†† Personal communication, Ralf Dittmann, M.Sc., Head of Research and Development, Dräger Medical, Lübeck, Germany, January, 2003.