1. Department of Physics, University of Warwick, Coventry CV4 7AL, U.K.
2. Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
3. C4X Discovery, Manchester M1 3LD, U.K.
4. Oral Product Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, U.K.
5. Mathematics Institute at Warwick, University of Warwick, Coventry CV4 7AL, U.K.