1. Niels Bohr InstituteUniversity of Copenhagen Blegdamsvej 17 Copenhagen DK‐2100 Denmark
2. Department of Clinical Physiology, Nuclear Medicine & PET and Cluster for Molecular ImagingDepartment of Biomedical SciencesRigshosptialet & University of Copenhagen Blegdamsvej 3 Copenhagen DK‐2200 Denmark