Funding for this research was provided by:
Medicinska Fakulteten, Lunds Universitet (-)
Konung Gustaf V:s och Drottning Victorias stiftelse (-)
Received: 19 December 2018
Accepted: 10 December 2019
First Online: 19 December 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Lund University, Sweden (reference number: LU 744–20), and was conducted in accordance with the Declaration of Helsinki. The Division of Geriatric Medicine at Lund University granted and gave permission to access and use the raw data in the study. All subjects or informants gave their written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.