1. Translational Molecular Biomarkers, Merck Research Laboratories, Rahway, NJ 07065, USA
2. Drug Metabolism & Pharmacokinetics, Novartis Institutes for Biomedical Research, Basel 4057, Switzerland
3. Biometrics Research, Merck Research Laboratories, Rahway, NJ 07065, USA
4. Vaccines Basic Research, Merck Research Laboratories, West Point, PA 19486, USA
5. Janssen Research & Development, L.L.C., 1400 McKean Road, PO Box 776, Spring House, PA 19477, USA