About the Authors

Andreas W. Blomkvist

Contributed equally to this work with: Andreas W. Blomkvist, Fredrik Eika

Roles Data curation, Formal analysis, Investigation, Methodology, Project administration, Visualization, Writing – original draft, Writing – review & editing

andreas.wahl@gmail.com

Affiliations Department of Geriatric and Internal Medicine, Aalborg University Hospital, Aalborg, Denmark, Department of Medicine, Østfold Hospital, Kalnes, Norway

Fredrik Eika

Contributed equally to this work with: Andreas W. Blomkvist, Fredrik Eika

Roles Data curation, Investigation, Project administration, Visualization, Writing – review & editing

Affiliation Department of Geriatric and Internal Medicine, Aalborg University Hospital, Aalborg, Denmark

Martin T. Rahbek

Roles Investigation, Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliation Department of Geriatric Medicine, Odense University Hospital, Odense, Denmark

Karin D. Eikhof

Roles Investigation, Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliations Department of Geriatric and Internal Medicine, Aalborg University Hospital, Aalborg, Denmark, Emergency Clinic, Aalborg University Hospital, Aalborg, Denmark

Mette D. Hansen

Roles Investigation, Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliation Department of Health Science and Technology, Aalborg University, Aalborg, Denmark

Malene Søndergaard

Roles Investigation, Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliation Department of Geriatric and Internal Medicine, Aalborg University Hospital, Aalborg, Denmark

Jesper Ryg

Roles Supervision, Validation, Writing – review & editing

Affiliations Department of Geriatric Medicine, Odense University Hospital, Odense, Denmark, Institute of Clinical Research, University of Southern Denmark, Odense, Denmark

Stig Andersen

Roles Conceptualization, Funding acquisition, Methodology, Resources, Supervision, Writing – review & editing

Affiliations Department of Geriatric and Internal Medicine, Aalborg University Hospital, Aalborg, Denmark, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark

Martin G. Jørgensen

Roles Conceptualization, Methodology, Project administration, Resources, Software, Supervision, Writing – review & editing

Affiliation Department of Geriatric and Internal Medicine, Aalborg University Hospital, Aalborg, Denmark

Competing Interests

One author (MGJ) is the developer of FysioMeter (the software used). MGJ did apply for a patent on FysioMeter approximately two years ago, however, since then this patent has Cover Letter Revised expired. To search and check for patent, please see https://www.dkpto.dk/. This does not alter our adherence to PLOS ONE policies on sharing data and materials. Also, we would like to state that MGJ has not been involved in the data collection or statistical analyses. Finally, all other authors declare that they have no conflict of interest.