1. Respiratory Rehabilitation and Respiratory Division, University Hospital Leuven, Leuven, Belgium
2. Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium
3. Department of Physical Therapy, Thammasat University, Pathumthani, Thailand
4. Department of Physical Therapy, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
5. Department of Health Psychology, Faculty of Psychology and Educational Sciences, KU Leuven, Leuven, Belgium
6. Department of Critical Care Medicine and Pulmonary Services, Evangelismos Hospital, “M. Simou, and G.P. Livanos Laboratories”, National and Kapodistrian University of Athens, Athens, Greece