1. Division of BioTherapeutics, Leiden Academic Centre for Drug Research, University of Leiden, Einsteinweg 55, Leiden 2333 CC, The Netherlands
2. Chemistry Department, Christopher Ingold Laboratories, University College London, London WC1H 0AJ, United Kingdom
3. Pharmaceutical Science Division, King’s College London, London WC2R 2LS, United Kingdom
4. Division of Pharmacy and Optometry, Manchester University, Manchester M13 9PL, United Kingdom
5. Institute Laue-Langevin, Grenoble 38000, France