1. Laboratory of Renewable Nanomaterials, School of Forest Resources, University of Maine, 5755 Nutting Hall, Orono, Maine 04469, United States
2. Department of Wood Science and Engineering, Oregon State University, Richardson Hall, Corvallis, Oregon 97331, United States
3. Department of Civil, Environmental and Sustainable Engineering, Santa Clara University, 500 El Camino Real, Santa Clara, California 95053, United States