1 Lab3R - Respiratory Research and Rehabilitation Laboratory, School of Health Sciences, University of Aveiro (ESSUA), Aveiro, Portugal; Hospital Professor Doutor Fernando Fonseca, Lisbon, Portugal.
2 Lab3R - Respiratory Research and Rehabilitation Laboratory, School of Health Sciences, University of Aveiro (ESSUA), Aveiro, Portugal; iBiMED - Institute of Biomedicine, Department of Medical Sciences, University of Aveiro, Aveiro, Portugal; School of Rehabilitation Sciences, McMaster University, Canada.
3 Lab3R - Respiratory Research and Rehabilitation Laboratory, School of Health Sciences, University of Aveiro (ESSUA), Aveiro, Portugal; iBiMED - Institute of Biomedicine, Department of Medical Sciences, University of Aveiro, Aveiro, Portugal.
4 Centro Hospitalar Lisboa Ocidental - Egas Moniz Hospital - Polyvalent Intensive Care Unit, Alcoitão School of Health Sciences, Lisbon, Portugal.
5 Noninvasive Ventilatory Support Unit, Emergency and Intensive Care Medicine Department, Pulmonology Department, São João University Hospital. Faculty of Medicine, University of Porto, Portugal.
6 Department of Physiotherapy, St Vincent's Hospital, Sydney, Australia.
7 Lab3R - Respiratory Research and Rehabilitation Laboratory, School of Health Sciences, University of Aveiro (ESSUA), Aveiro, Portugal; iBiMED - Institute of Biomedicine, Department of Medical Sciences, University of Aveiro, Aveiro, Portugal. Electronic address: amarques@ua.pt.