1. Department of Health Technology, Technical University of Denmark, 2800 Lyngby, Denmark
2. Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, W12 0BZ London, U.K.
3. Department of Clinical Physiology, Nuclear Medicine and PET, Copenhagen University, 1165 Copenhagen, Denmark
4. Department of Bioengineering, Technical University of Denmark, 2800 Lyngby, Denmark