1. University of Toronto, Graduate Department of Forestry, 33 Willcocks Street, Toronto, ON M5S 3B3, Canada
2. National Ilan University, Department of Forestry and Natural Resources, 1 Shennong Road, Yilan City 26047, Taiwan
3. University of Toronto, Department of Chemical Engineering and Applied Chemistry, 200 College Street, Toronto, ON M5S 3E5, Canada