1. University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA (UK)
2. Turku PET Centre, Radiopharmaceutical Chemistry Laboratory, Kiinamyllynkatu 4–8, 20520 Turku (Finland)
3. GE Healthcare, The Grove Centre, White Lion Road, Amersham, HP7 9LL (UK)