Affiliation: | (1) PO Box 192, Saltsburg, PA 15681-0192, USA;(2) Critical Care Medicine, Bioengineering, Cardiovascular Disease and Anesthesiology, 606 Scaife Hall, 3550 Terrace Street, Pittsburgh, PA 15261, USA;(3) University of Leipzig, Zentrum fuer Innere Medizin, Abteilung Intensivmedizin, Liebigstrasse 20, 04103 Leipzig, Germany |