1. Center for Water Research, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai, 519087, China
2. Department of Civil and Environmental Engineering, National University of Singapore, 117576, Singapore
3. Department of Environmental Engineering, Technical University of Denmark, Lyngby 2800, Denmark
4. School of Environmental and Municipal Engineering, Qingdao University of Technology, 11 Fushun Road, Qingdao, 266033, PR China
5. Corporate Sustainability Office, TÜV SÜD, Westendstr. 199, 80686 München, Germany
6. Department of Environmental Engineering, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 702-701, Republic of Korea
7. School of Chemical and Biological Engineering, Seoul National University, Seoul, 08826, Republic of Korea