Received: 21 April 2021
Accepted: 23 August 2021
First Online: 21 September 2021
Change Date: 10 November 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12891-021-04781-w
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Ethics Committee of Kuopio University Hospital (No. 13.02.00/943/2018). Each subject signed a written consent to participate to the study.
: Not applicable.
: The authors declare they have no competing or conflict of interest.