Can health status questionnaires be used as a measure of physical activity in COPD patients?

Affiliations

• ¹ KU Leuven-University of Leuven, Department of Rehabilitation Sciences, Leuven, Belgium University Hospitals Leuven, Department of Respiratory Diseases, Leuven, Belgium.
• ² Centre for Research in Environmental Epidemiology, Barcelona, Spain CIBER Epidemiología y Salud Pública, Barcelona, Spain Universitat Pompeu Fabra, Barcelona, Spain.
• ³ Dept of General Practice, University Medical Center Groningen, Groningen, Netherlands.
• ⁴ Dept of Critical Care Medicine, Pulmonary Rehabilitation Centre, Evangelismos Hospital, M. Simou and G.P. Livanos Laboratories, National and Kapodistrian University of Athens, Thorax Foundation, Athens, Greece.
• ⁵ University Hospitals Leuven, Department of Respiratory Diseases, Leuven, Belgium.
• ⁶ NIHR Respiratory Biomedical Research Unit of the Royal Brompton and Harefield NHS foundation Trust and Imperial College London, London, UK.
• ⁷ ELEGI/Colt laboratory, UoE/MRC Centre for Inflammation Research, The University of Edinburgh, Edinburgh, UK.
• ⁸ Astra Zeneca, Mölndal, Sweden.
• ⁹ KU Leuven-University of Leuven, Department of Rehabilitation Sciences, Leuven, Belgium University Hospitals Leuven, Department of Respiratory Diseases, Leuven, Belgium Thierry.Troosters@med.kuleuven.be.