1. Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA
2. Corporate Research and Development, The Procter & Gamble Company, Cincinnati, Ohio 45224, USA
3. Department of Forest Biomaterials, North Carolina State University, Raleigh, North Carolina 27695, USA
4. Department of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA