1. Center for Health Care Research and Policy, The MetroHealth Campus of Case Western Reserve University, Cleveland, Ohio, USA
2. Population Health Research Institute, The MetroHealth Campus of Case Western Reserve University, Cleveland, Ohio, USA
3. Center for Reducing Health Disparities, The MetroHealth Campus of Case Western Reserve University, Cleveland, Ohio, USA
4. Center for Sleep and Cardiovascular Outcomes Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
5. Division of Pulmonary, Critical Care, and Sleep Medicine, The MetroHealth Campus of Case Western Reserve University, Cleveland, Ohio, USA