1Velindre Cancer Center, Cardiff, United Kingdom, 2 Dept of Clinical Physiology and Nuclear Medicine, Clinical Sciences, Malmö, Lund University, Sweden, 3Institute Gustave Roussy, University of Paris Sud, Dept. of Cancer Medicine, Villejuif, France, 4Orion Corporation Orion Pharma, Espoo, Finland, 5Dept of Molecular and Clinical Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden, Dep...