1. Department of Sociology, Kent State University, Kent, Ohio;
2. Geisinger Clinic, Ophthalmology Service, Mount Pocono, Pennsylvania;
3. Geisinger Clinic, Sleep Disorder Center, Danville, Pennsylvania;
4. Department of Biomedical and Translational Informatics, Geisinger Clinic, Danville, Pennsylvania;
5. Traumatology Institute and School of Social Work, Tulane University, New Orleans, Louisiana;
6. Department of Epidemiology & Health Services Research, Geisinger Clinic, Danville, Pennsylvania;
7. Department of Clinical Psychology, William James College, Newton, Massachusetts