1. Laboratory of Persistent Viral Diseases, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT 59840, USA.
2. Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.
3. Department of Neurology, University Hospitals Cleveland Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.
4. National Prion Disease Pathology Surveillance Center, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.
5. Department of Otolaryngology, The First Affiliated Hospital of Xi’an Jiaotong University, Shaanxi Province, People’s Republic of China.
6. First Affiliated Hospital, Nanchang University, Nanchang, Jiangxi Province, People’s Republic of China.
7. University Hospital Translational Laboratory, University Hospitals Cleveland Medical Center, Cleveland, OH 44106, USA.
8. Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, People’s Republic of China.
9. Human Tissue Procurement Facility, Comprehensive Cancer Center Tissue Resources Core, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.
10. Foundation Sciences, Central Michigan University College of Medicine, Mount Pleasant, MI 48859, USA.
11. National CJD Research and Surveillance Unit, Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, UK.
12. National Center for Regenerative Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.