1. Center for Infection and Immunity, Columbia University Mailman School of Public Health, New York, NY 10032, USA.
2. Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY 10032, USA.
3. Stanford University, Palo Alto, CA 94305, USA.
4. Institute for Neuro-Immune Medicine, College of Osteopathic Medicine, Nova Southeastern University, Fort Lauderdale, FL 33314, USA, and Miami VA Medical Center, Miami, FL 33125, USA.
5. Levine Clinic, New York, NY 10021, USA.
6. Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.
7. Fatigue Consultation Clinic, Salt Lake City, UT 84102, USA.
8. Sierra Internal Medicine at Incline Village, Incline Village, NV 89451, USA.
9. Harvard Medical School, Brigham and Women’s Hospital, Boston, MA 02115, USA.
10. Departments of Neurology and Pathology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA.