1. National Prion Disease Pathology Surveillance Center; Case Western Reserve University School of Medicine; Cleveland OH
2. Department of Pathology; Case Western Reserve University School of Medicine; Cleveland OH
3. Department of Neurology; Case Western Reserve University School of Medicine; Cleveland OH
4. Department of Psychiatry; Case Western Reserve University School of Medicine; Cleveland OH
5. Laboratory of Persistent Viral Diseases, Rocky Mountain Laboratories; National Institute of Allergy and Infectious Diseases, National Institutes of Health; Hamilton MT
6. National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention; Atlanta GA