1. Materials Science Program, University of Montana, 32 Campus Drive, Missoula, Montana 59812, United States
2. Biomacromolecules Research Team, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
3. Department of Biomedical and Pharmaceutical Sciences, University of Montana, 32 Campus Drive, Missoula, Montana 59812, United States