1. Research Group Healthy Ageing, Allied Health Care and Nursing, Hanze University Groningen; Applied Sciences; Groningen the Netherlands
2. Research Group Speech and Language Therapy; HU University of Applied Sciences Utrecht; Utrecht the Netherlands
3. Department of Languages, Literature and Communication; Faculty of Humanities; Utrecht University; Utrecht the Netherlands
4. University of Groningen; University Medical Center Groningen; Department of Rehabilitation Medicine; Groningen the Netherlands
5. Department of Health Sciences; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
6. Department of Otolaryngology; University Medical Center Groningen; University of Groningen; Groningen the Netherlands