Funding for this research was provided by:
Medicinska Fakulteten, Lunds Universitet (2016)
Stiftelsen Ragnhild och Einar Lundströms Minne (LA2017-0282)
Stiftelsen Sigurd and Elsa Goljes Minne (LA2015-0339)
Region Skane (F 2018/810)
Capio Forskningsstiftelse (20162954)
Received: 10 October 2018
Accepted: 6 May 2019
First Online: 24 May 2019
Ethics approval and consent to participate
: The study was approved by the Regional Ethical Review Board in Lund, Sweden (Ethical permission no 2015/832). A written human subject consent was not considered necessary in this study according to the committee. The study was a retrospective study including only information from the patients’ files and therefore no consent was needed from each of the patients. The study was approved by the ethic committee in this way.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.