1. Safety Assessment and Laboratory Animal Resources, Merck & Co., Inc., 770 Sumneytown Pike, West Point, PA 19486, USA
2. Translational Imaging Biomarkers, Merck & Co., Inc., 770 Sumneytown Pike, West Point, PA 19486, USA
3. Safety Assessment and Laboratory Animal Resources, Laboratoires Merck Sharp & Dohme-Chibret, Route de Marsat - Riom, 63963 Clermont-Ferrand cedex 9, France
4. Pharmacokinetics, Pharmacodynamics and Drug Metabolism, Merck & Co., Inc., 770 Sumneytown Pike, West Point, PA 19486, USA