1. Department of Neurology Mayo Clinic Rochester Minnesota USA
2. Department of Neurology, Chaim Sheba Medical Center, Tel HaShomer Sackler Faculty of Medicine, Tel Aviv University Tel Aviv Israel
3. Department of Quantitative Health Sciences Mayo Clinic Rochester Minnesota USA
4. Department of Neurology and Rehabilitation University of Illinois at Chicago Chicago Illinois USA
5. Department of Laboratory Medicine and Pathology Mayo Clinic Rochester Minnesota USA
6. Division of Rheumatology, Department of Medicine Mayo Clinic Rochester Minnesota USA