1. Department
of Neurology, University of Michigan, Ann Arbor, Michigan 48109, United States
2. Office
of Clinical Pharmacology, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland 20993, United States
3. Divisions
of Bioinformatics and Biostatistics, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, Arkansas 72079, United States
4. The
School of Medicine, University of Tampere, Tampere 33520, Finland