1 Department of Primary Care, McDonald Army Health Center, 576 Jefferson Avenue, Fort Eustis, VA, 23604, USA. a.edward.lang@gmail.com.
2 Department of Family Medicine and Population Health, Virginia Commonwealth University School of Medicine, Richmond, VA, USA. a.edward.lang@gmail.com.
3 Department of Neurology, Tufts Medical Center, Boston, MA, USA.
4 Department of Family Medicine and Population Health, Virginia Commonwealth University School of Medicine, Richmond, VA, USA.