Affiliation: | 1.Critical Care Medicine, Suburban Hospital 7309 Bannockburn Ridge Court Bethesda, MD 20817,;2.Pain, Anesthesia, and Anti-Infective Therapeutic Area, AstraZeneca, 1800 Concord Pike, DCC1, PO Box 15437, Wilmington, DE 19850 Tel.: + 3 02-8 86-54 71 e-mail: Daniel.Teres@astrazeneca.com, |