Funding for this research was provided by:
Received: 24 May 2021
Accepted: 2 November 2021
First Online: 15 November 2021
: All methods were carried out in accordance with relevant guidelines and regulations. The study forms part of a research project that received ethical approval by the Regional Ethical Board in Linköping (Regionala Etikprövningsnämnden i Linköping) on 20-03-2018; number 2018/135–31. Informed consent to participate was obtained from all subjects.
: Informed consent was obtained from all subjects and/or their legal guardian(s).
: The authors declare they have no competing interests.