Funding for this research was provided by:
Kavli Trust (A-321629)
Text and Data Mining valid from 2020-01-10
Received: 30 July 2019
Accepted: 22 October 2019
First Online: 10 January 2020
Ethics approval and consent to participate
: The study was approved by the Regional Ethical Review Board in Uppsala (Ref. 2018/382) (28th November 2018). Any proposed changes to the protocol will be communicated to the Ethics Committee and approval will be sought before proceeding. Any modifications will be added to ISRCTN and communicated to relevant parties. Informed consent will be obtained from all study participants.
: Not applicable.
: The authors declare that they have no competing interests.