1. Scottish Pulmonary Vascular Unit; Golden Jubilee National Hospital; Glasgow UK
2. Faculty of Physical Education and Sports Sciences; National and Kapodistrian University of Athens; Athens Greece
3. Faculty of Health and Life Sciences; Department of Sport; Exercise and Rehabilitation; Northumbria University; Newcastle UponTyne UK
4. Faculty of Kinesiology and Rehabilitation Sciences; Department of Rehabilitation Sciences KU Leuven; Division of Respiratory Rehabilitation; University Hospitals Leuven; Belgium
5. Institute of Clinical Exercise and Health Science; University of the West of Scotland; Hamilton UK