1. Department of Neurology, School of Medicine, Indiana University, Indianapolis
2. Department of Radiology and Imaging Sciences, Center for Neuroimaging, School of Medicine, Indiana University, Indianapolis
3. Department of Medical and Molecular Genetics, School of Medicine, Indiana University, Indianapolis
4. Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, California
5. Department of Medicine Statistics Core, David Geffen School of Medicine at UCLA, Los Angeles, California