1. Chinese Academy of Forestry, Research Institute of Wood Industry, No. 1 Dongxiaofu Xiangshan Road, Haidian District, Beijing 100091, P.R. China
2. Sustainable Functional Biomaterials Laboratory, Department of Wood Science, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada
3. BioProducts Institute, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada