1. Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, Nanjing Forestry University , Nanjing , Jiangsu, P.R. China
2. Departments of Forest Biomaterials and Chemical and Biomolecular Engineering, North Carolina State University , Raleigh , USA
3. Department of Forest Products Technology, Faculty of Chemistry and Materials Sciences, Aalto University , Aalto , Finland