Funding for this research was provided by:
Örebro Universitet
Universitetssjukhuset Örebro
Article History
Received: 25 January 2018
Accepted: 24 May 2018
First Online: 1 June 2018
Compliance with ethical standards
:
: Ingmar Näslund has received consultant fees from Baricol Bariatrics AB, Sweden. None of the other authors declares any conflict of interest.
: The study was conducted in accordance with the ethical standards of the 1964 Helsinki Declaration and its later amendments and with the approval of the research committee of the Uppsala-Örebro region.
: For this type of study, formal consent is not required.