Markus Zimmermann1,2,3, Thomas Feibicke1,2,3, Cornelius Keyl1,2,3, Christopher Prasser1,2,3, Stefan Moritz1,2,3, Bernhard Gräf1,2,3, Christoph Wiesenack1,2,3
1From the Department of Anaesthesiology, University Hospital Regensburg, Regensburg (MZ, TF, CP, SM, BMG, CW) and Department of Anaesthesiology, Heart-Centre Bad Krozingen, Bad Krozingen, Germany (CK)
2Revised 16 October, 2009
3e-mail: [email protected]