About the Authors

Anna Nordström
Rehabilitation Medicine, Department of Community Medicine and Rehabilitation, Umeå University, Umeå, Sweden

Peter Nordström
Geriatric Medicine, Department of Community Medicine and Rehabilitation, Umeå University, Umeå, Sweden

Corresponding Author

anna.nordstrom@idrott.umu.se

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PN AN. Analyzed the data: PN. Wrote the first draft of the manuscript: PN AN. Contributed to the writing of the manuscript: PN AN. ICMJE criteria for authorship read and met: PN AN. Agree with manuscript results and conclusions: PN AN.