Timothy Thoits, M.D., Spectrum Health (IMAGE) Corewell Health Caption This is Timothy Thoits, M.D., lead author and neurology division chief, Spectrum Health Medical Group. Credit Spectrum Health Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.