1. Laboratory of Single Molecule Biophysics, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
2. Experimental Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
3. Forensic Science Research Center, Korean National Police University, 100-50 Hwang-san-gil, Sinchang-myeon, Asan-si, Chuncheongnan-do 31539, South Korea
4. Laboratory of Molecular Physiology, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, United States