1. Glenn Biggs Institute for Alzheimer’s & Neurodegenerative Diseases, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
2. Department of Neurology, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
3. Department of Statistics, Florida State University, Tallahassee, FL, USA
4. Academy Diagnostics Sleep and EEG Center, 8215 Fredericksburg Road, San Antonio, TX, USA
5. College of Nursing, Florida State University, Tallahassee, FL, USA
6. Department of Neurology, Boston University School of Medicine, Boston, MA, USA
7. Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA