1. UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, U.K.
2. DPDD Drug Delivery, GlaxoSmithKline R&D, Gunnels Wood Road, Stevenage SG1 2NY, U.K.
3. School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, U.K.
4. China Medical University-Queen’s University Belfast Joint College (CQC), China Medical University, Shenyang 110000, China