1. Center for Biorefining, and Department of Bioproducts and Biosystems EngineeringUniversity of Minnesota Twin Cities 1390 Eckles Ave. St. Paul Minnesota 55108 USA
2. Harbin Institute of Technology Harbin Heilongjiang 150001 P.R. China
3. College of Materials Science and EngineeringNanjing Forestry University Nanjing 210037 P.R. China
4. MOE Biomass Engineering Research CenterNanchang University Jiangxi 330047 P.R. China