1. Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, Ohio 43210, United States
2. Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States
3. Department of Physics, Cleveland State University, Cleveland, Ohio 44115, United States
4. Department of Physics, The Ohio State University, Columbus, Ohio 43210, United States
5. Biophysics Graduate Program, The Ohio State University, Columbus, Ohio 43210, United States
6. Department of Chemistry & Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States