1 Department of Rehabilitation Sciences, Faculty of Movement and Rehabilitation Sciences, Research Group for Rehabilitation in Internal Disorders, Leuven, Belgium zafeiris.louvaris@kuleuven.be.
2 Clinical Department of Respiratory Diseases, UZ Leuven, BREATHE department CHROMETA, Leuven, Belgium.
3 Department of Rehabilitation Sciences, Faculty of Movement and Rehabilitation Sciences, Research Group for Rehabilitation in Internal Disorders, Leuven, Belgium.