1. Department of Biology and Kwong Living Trust Food Safety and Analysis Laboratory, Hong Kong Baptist University, Kowloon Tong, Hong Kong
2. Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, 29 Thirteenth Avenue, TEDA, Tianjin 300457, China
3. School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong
4. Department of Molecular Biotechnology, Graduate School of Advanced Sciences of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8530, Japan