[1] Univ Colorado, Hlth Sci Ctr, Dept Anesthesiol, Clin Res & Dev, Denver, CO 80202 USA
[2] Novartis Pharma AG, Basel, Switzerland
[3] Univ Oslo, Dept Mol Biosci, Oslo, Norway
[4] Novartis Inst Biomed Res, Basel, Switzerland
[5] Univ Gottingen, Klin Chem Abt, D-3400 Gottingen, Germany
[6] Tech Univ Carolo Wilhelmina Braunschweig, Inst Chem, D-3300 Braunschweig, Germany
[7] Univ Calif San Francisco, Dept Biopharmaceut Sci, San Francisco, CA 94143 USA