1. College of Forestry and Grassland Science, Jilin Agricultural University, Jilin Provincial Key Laboratory of Tree and Grass Genetics and Breeding, Changchun 130118, China
2. School of Architecture, Harbin Institute of Technology, Key Laboratory of Cold Region Urban and Rural Human Settlement Environment Science and Technology, Ministry of Industry and Information Technology, Harbin 150006, China
3. Department of Architecture, College of Design and Engineering, National University of Singapore, Singapore 117566, Singapore