1. Sleep Disorders Program and
2. Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
3. Hypertension Unit, Heart Institute (InCor) and
4. Hypertension Unit, Renal Division, University of Sao Paulo Medical School, Sao Paulo, Brazil
5. Sleep and Ventilation Unit, National Heart and Lung Institute, Imperial College London, London, United Kingdom
6. National Institute for Health Research Respiratory Disease Biomedical Research Unit at the Royal Brompton and Harefield National Health Service Foundation Trust and Imperial College London, London, United Kingdom; and
7. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland