1. School of Engineering, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
2. School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
3. Hangzhou City University, Hangzhou, Zhejiang 310015, China
4. Department of Forestry & Natural Resources, Purdue University, West Lafayette, Indiana 47907, United States
5. School of Public Health, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
6. Hangzhou International Urbanology Research Center, Hangzhou 311121, China