1. College
of Materials and Energy, Key Laboratory of Energy Plants Resource
and Utilization, Ministry of Agriculture, Key Laboratory of Biomass
Energy of Guangdong Regular Higher Education Institutions, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, P. R. China
2. Department
of Biological Systems Engineering, University of Wisconsin—Madison, 460 Henry Mall, Madison, Wisconsin 53706, United States
3. State
Key Laboratory of Pulp and Paper Engineering, South China University of Technology, 381 Wushan Road, Guangzhou 510640, P. R. China