About the Authors

Alberto Soriano-Maldonado

Affiliation Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, Granada, Spain

Louise Klokker

Affiliation The Parker Institute, Copenhagen University Hospital Bispebjerg and Frederiksberg, Frederiksberg, Denmark

Cecilie Bartholdy

Affiliations The Parker Institute, Copenhagen University Hospital Bispebjerg and Frederiksberg, Frederiksberg, Denmark, Department of Physical and Occupational Therapy, Copenhagen University Hospital Bispebjerg and Frederiksberg, Frederiksberg, Denmark

Elisabeth Bandak

Affiliation The Parker Institute, Copenhagen University Hospital Bispebjerg and Frederiksberg, Frederiksberg, Denmark

Karen Ellegaard

Affiliation The Parker Institute, Copenhagen University Hospital Bispebjerg and Frederiksberg, Frederiksberg, Denmark

Henning Bliddal

Affiliation The Parker Institute, Copenhagen University Hospital Bispebjerg and Frederiksberg, Frederiksberg, Denmark

Marius Henriksen

marius.henriksen@regionh.dk

Affiliations The Parker Institute, Copenhagen University Hospital Bispebjerg and Frederiksberg, Frederiksberg, Denmark, Department of Physical and Occupational Therapy, Copenhagen University Hospital Bispebjerg and Frederiksberg, Frederiksberg, Denmark

Competing Interests

Dr. Henriksen is associated with the Danish Association of Physiotherapists, which could benefit from wide uptake of this publication. The authors have declared that no other competing interests exist. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MH HB. Performed the experiments: LK CB EB KE. Analyzed the data: AS-M MH. Contributed reagents/materials/analysis tools: MH HB LK CB EB KE AS-M. Wrote the paper: AS-M MH. All the authors significantly contributed to the interpretation of the results, critically revised the work and approved the final version of the manuscript: AS-M LK CB EB KE HB MH.