1. School of Energy and Environment, City University of Hong Kong, Hong Kong Special Administrative Region, People’s Republic of China
2. Department of Applied Science, Hong Kong Institute of Vocational Education (Sha Tin), Hong Kong Special Administrative Region, People’s Republic of China
3. Division of Environment and Sustainability, The Hong Kong University of Science and Technology, Hong Kong Special Administrative Region, People’s Republic of China
4. Independent Consultant, Hong Kong Special Administrative Region, People’s Republic of China