Fatigue

• Exercise Research Laboratory, School of Physical Education, Federal University of Rio Grande do Sul — Porto Alegre, Rio Grande do Sul, Brazil

• Arizona State University — Phoenix, Arizona, United States

• Cairo University — Giza, Egypt

• Sunnaas Rehabilitation Hospital — Nesoddtangen, Akershus, Norway
• Oslo University Hospital — Oslo, Norway

• AZ Imelda — Bonheiden, Belgium
• CHU Saint-Pièrre — Brussels, Belgium
• UCL Saint-Luc — Brussels, Belgium
• ULB Erasme — Brussels, Belgium

• Peking University People's Hospital — Beijing, China

• Huntsman Cancer Institute, University of Utah — Salt Lake City, Utah, United States

• NHS audiology department, Glasgow Royal Infirmary — Glasgow, United Kingdom
• University of Nottingham Hearing Sciences - Scottish Section — Glasgow, United Kingdom

Not specified

• University of São Paulo — Ribeirão Preto, São Paulo, Brazil