1. Hospital Universitari Arnau de Vilanova and Santa Maria, Group of Translational Research in Respiratory Medicine, Institute for Biomedical Research in Lleida Dr. Pifarré Foundation, Lleida, Catalunya, Spain
2. Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
3. Sleep Unit, Respiratory Department, and
4. Internal Medicine, Emergency Department, Hypertension and Cardiovascular Risk Unit, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau, Universitat Autónoma de Barcelona, Bellaterra, Catalunya, Spain
5. Respiratory Department, Hospital San Pedro de Alcantara, Cáceres, Extremadura, Spain
6. Hypertension Unit, Renal Division, University of Sao Paulo Medical School, São Paulo, Brazil
7. Unit of Sleep Breathing Disorders, Respiratory Department and
8. Hypertension and Vascular Risk Unit, Nephrology Department, Hospital del Mar, Parc de Salut Mar, Hospital del Mar Medical Research Institute, Universitat Autònoma de Barcelona-Universitat Pompeu Fabra, Barcelona, Catalunya, Spain
9. Respiratory Department, Hospital Universitari Germans Trias i Pujol, Badalona, Catalunya, Spain
10. Department of Cardiology, National University Heart Centre Singapore, Singapore, Singapore; and
11. Respiratory Department, Hospital Universitario La Paz, Instituto de Investigación Hospital Universitario La Paz, Madrid, Spain