1. Nanoscale Science Program, Department of Chemistry, University of North Carolina at Charlotte, Charlotte, North Carolina 28223, United States
2. Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, North Carolina 28223, United States
3. Department of Chemistry, Ball State University, Muncie, Indiana 47304, United States
4. Nanotechnology Characterization Lab, Cancer Research Technology Program, Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, Maryland 21702, United States
5. Department of Biological Sciences, Auburn University, 120 W. Samford Avenue, Rouse Life Sciences Building, Auburn, Alabama 36849, United States
6. Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, Iowa 52242, United States
7. Molecular Neurogenetics Unit, Department of Neurology and Center for Molecular Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachussets 02114, United States
8. Centro de Investigação Translacional em Oncologia, Departamento de Radiologia e Oncologia, Instituto do Cancer do Estado de São Paulo - ICESP, Faculdade de Medicina da Universidade de São Paulo - FMUSP, Avenida Dr. Arnaldo 251, Cerqueira César, São Paulo 01246-000, São Paulo, Brazil
9. Single Molecule Analysis Group, Department of Chemistry and Center for RNA Biomedicine, University of Michigan, Ann Arbor, Michigan 48109, United States
10. McKetta Department of Chemical Engineering and Department of Cellular and Molecular Biology, University of Texas at Austin, Austin, Texas 78714, United States
11. Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, Division of Pharmaceutics and Pharmaceutical Chemistry, College of Medicine, Dorothy M. Davis Heart and Lung Research Institute, James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio 43210, United States