1. Advanced Imaging Research Center, University of Texas Southwestern Medical Center, Dallas, TX, USA
2. Institute of Exercise and Environmental Medicine, Texas Health Presbyterian Hospital, Dallas, TX, USA
3. Department of Neurology and Neurotherapeutics, University of Texas Southwestern Medical Center, Dallas, TX, USA
4. Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, TX, USA
5. Department of Radiology, Johns Hopkins University, Baltimore, MD, USA