1. Department of Internal Medicine Cleveland Clinic Akron General Akron Ohio USA
2. College of Medicine Northeast Ohio Medical University Rootstown Ohio USA
3. Department of Pathology Cleveland Clinic Akron General Akron Ohio USA
4. Department of Gastroenterology, Hepatology & Nutrition, Digestive Disease and Surgery Institute Cleveland Clinic Foundation Cleveland Ohio USA
5. Department of Rheumatic and Immunologic Diseases Cleveland Clinic Akron General Akron Ohio USA