1. Department of Chemical and Environmental Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117576
2. Division of Bioengineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117576
3. Department of Chemical Technology, Delft University of Technology, Julianalaan 136, 2628 BL, Delft, The Netherlands
4. Department of Surgery, National University of Singapore, 10 Kent Ridge Crescent, Singapore, 119260