Funding for this research was provided by:
Kockska stiftelse Sweden
SUS stiftelser och donationsfonder Sweden
Stiftelsen Professor Nanna Svartz Fond
Alfred Österlunds Stiftelse
Anna Greta Crafoords stiftelse SE
Inger Bendix stiftelse (SE)
Received: 5 June 2018
Accepted: 6 August 2018
First Online: 29 August 2018
Ethics approval and consent to participate
: The ethical approval was obtained from the Regional Ethics Committee at Lund University (Dnr 85/2004).
: Not applicable.
: The authors declare that they have no competing interests.
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