1. Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
2. Center for Microfibrous Materials, Department of Chemical Engineering, Auburn University, Auburn, Alabama 36849 United States
3. Department of Chemical Engineering, University of Puerto Rico - Mayagüez, Mayagüez 00681-9000, Puerto Rico
4. Department of Chemical and Petroleum Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
5. Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Manuel Nava 6, 78210 San Luis Potosí, Mexico
6. Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
7. Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 United States
8. Department of Chemical and Biomolecular Engineering, University of California-Los Angeles, Los Angeles, California 90095 United States
9. Department of Chemical and Biomedical Engineering, University of Maine, Orono, Maine 04469, United States