1. University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, 3000-548 Coimbra, Portugal
2. University of Coimbra, Faculty of Medicine, Institute of Pharmacology and Experimental Therapeutics, 3000-548 Coimbra, Portugal
3. Department of Radiology, Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO 63110 USA
4. Centro de Química Estrutural, Institute of Molecular Sciences & Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, n 1, 1049-001 Lisboa, Portugal
5. University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
6. Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal