About the Authors

Agnes M. Schitter

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

agnes.schitter@bluewin.ch

Affiliations Institute of Complementary Medicine, University of Bern, Switzerland, Institute of Sport Science, University of Hildesheim, Germany

Johannes Fleckenstein

Roles Conceptualization, Funding acquisition, Resources, Validation, Writing – original draft, Writing – review & editing

Affiliations Institute of Complementary Medicine, University of Bern, Switzerland, Department of Sports Medicine, Institute of Sports Sciences, Goethe-University Frankfurt, Frankfurt, Germany

Peter Frei

Roles Conceptualization, Supervision, Validation, Writing – review & editing

Affiliation Institute of Sport Science, University of Hildesheim, Germany

Jan Taeymans

Roles Conceptualization, Data curation, Formal analysis, Methodology, Resources, Validation, Visualization, Writing – review & editing

Affiliations Faculty of Sports- and Rehabilitation Sciences, Laboratory of Biometry, Vrije Universiteit Brussel, Belgium, Department of Health Professions, Bern University of Applied Sciences, Bern, Switzerland

Nico Kurpiers

Roles Conceptualization, Supervision, Validation, Writing – review & editing

Affiliation Institute of Sport Science, University of Hildesheim, Germany

Lorenz Radlinger

Roles Conceptualization, Funding acquisition, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Health Professions, Bern University of Applied Sciences, Bern, Switzerland

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests: Until June 2016 Agnes M. Schitter was chairwoman of the Swiss Aquatic Bodyworkers’ Association, and member of the supervisory board of the Swiss Institute for Aquatic Bodywork. These honorary previous engagements do not alter the author's adherence to publication ethics. The other authors report no conflict of interest.