1. Centre for Process Systems Engineering, Dept. of Chemical Engineering; University College London, London WC1E 7JE, U.K.
2. Institute for Liver and Digestive Health, Division of Medicine, University College London, Royal Free Campus, London NW3 2PF, U.K.
3. COMPLEX (Centre for Mathematics and Physics in the Life Sciences and Experimental Biology); University College London, London WC1E 6BT, U.K.
4. Centre for Process Systems Engineering, Dept. of Chemical Engineering; University College London, London WC1E 6BT, U.K.