1. Biomolecular Medicine, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Sir Alexander Fleming Building, South Kensington, London SW7 2AZ, United Kingdom
2. Department of Medical Informatics and Clinical Epidemiology, Oregon Health and Science University, Portland 97239, United States
3. Technologie Servier, 27 Rue Eugène Vignat, Orleans 45000, France
4. Department of Chemistry, Princeton University, Princeton, New Jersey 08544-1014, United States