Funding for this research was provided by:
Swedish State Support for Clinical Research (ALFGBG-721141, ALFGBG-144341, ALFGBG-139671)
Swedish Research Council (K2010-61X-14002, K2010-63P-21562-01-4 and K2011-61X-20401-05-6)
Received: 1 June 2018
Accepted: 18 September 2018
First Online: 27 September 2018
Ethics approval and consent to participate
: The Gothenburg Regional Ethics Committee approved the study protocol, and written informed consent was obtained from all patients within 24 h before surgery.
: Not applicable
: The authors declare that they have no competing interests.
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