Funding for this research was provided by:
Lund University Medical Faculty Foundation (85310)
Fru Berta Kamprads Stiftelse (FBKS-2016-21)
Received: 5 November 2018
Accepted: 28 December 2018
First Online: 14 January 2019
Ethics approval and consent to participate
: All national and European Union regulations and requirements for handling human samples have been fully complied with during the conduct of this study; i.e. decision no. 1110/94/EC of the European Parliament and of the Council (OJL126 18,5,94), the Helsinki Declaration on ethical principles for medical research involving human subjects, and the European Union Council Convention on human rights and Biomedicine. Approval for the study was obtained from the Ethics committee of Lund University (reference number 530/2008 and 445/07), whereby the committee waived no need for consent other than the option to opt out.
: Not applicable.
: The authors declare that they have no competing interests.
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