1. Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
2. Division of Life Science, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
3. Department of Electrical and Computer Engineering, Centre for Applied Synthetic Biology, Concordia University, Montréal, Québec H3G1M8, Canada
4. State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong S.A.R., China