Funding for this research was provided by:
Crafoordska Stiftelsen (2)
Eklund Foundation (1)
Received: 20 January 2020
Accepted: 2 April 2020
First Online: 20 July 2020
Ethics approval and consent to participate
: The study complies with the Declaration of Helsinki. The Regional Ethical Review Board at Lund, Sweden, approved the study. Approval document LU 2013/323. The study individuals gave their written consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.