1. Department of Rheumatic and Immunologic Diseases, Cleveland Clinic, Cleveland, OH, USA
2. Department of Neurology, Neurological Institute, University Hospitals Cleveland Medical Center, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
3. Cleveland Clinic, Neurologic Institute, Cleveland, OH, USA
4. Department of Pulmonary Medicine, Respiratory Institute, Cleveland Clinic, Cleveland, OH, USA