1. Consortium on Health, Environment, Education and Research (CHEER), and Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong;
2. Department of Geography, Hong Kong Baptist University, Kowloon Tong, Hong Kong;
3. Department of Science, School of Science and Technology, The Open University of Hong Kong, Hong Kong;
4. School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, China