Funding for this research was provided by:
Ribbingska memorial Fund (n/a)
Article History
Received: 30 December 2019
Accepted: 22 April 2020
First Online: 4 May 2020
Ethics approval and consent to participate
: All procedures performed in the study including human participants were in accordance with the ethical standards of the regional ethical committee at Lund University (reference number 2015/171), and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declare that they have no competing interests.