Affiliation: | (1) Department of Anesthesiology, University of Technology Aachen, Pauwelsstrasse 30, D-52 074 Aachen, Germany e-mail: f.falter@altavista.net Tel. + 49(241)8 08 81 79 Fax + 49(2 41)8 88 84 06, DE;(2) Department of Cardiology, University of Technology Aachen, Germany, Pauwelsstrasse 30, D-52 074 Aachen, Germany, DE |