1. Department of Health Technology, Technical University of Denmark, Lyngby, Denmark
2. National Center for Nano Fabrication and Characterization, Technical University of Denmark, Lyngby, Denmark
3. Department of Clinical Physiology, Nuclear Medicine and PET & Cluster for Molecular Imaging, Copenhagen University Hospital – Rigshospitalet, Copenhagen, Denmark
4. Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark