The Ohio State Biophysics Program, Ohio State University, 484 W 12th Av., Columbus OH 43210-1117, USA.|The Ohio State Biophysics Program, Ohio State University, 484 W 12th Av., Columbus OH 43210-1117, USA.|The Ohio State Biophysics Program, Ohio State University, 484 W 12th Av., Columbus OH 43210-1117, USA.