1. School of Pharmacy, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
2. Department of Chemical Engineering, Imperial College London, London SW7 2AZ, UK
3. Department of Chemistry, Faculty of Science, Al-Balqa Applied University, Al-Salt 19117, Jordan
4. Macromolecular Crystallography, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, D-12489 Berlin, Germany