Funding for this research was provided by:
?rebro Universitet
Region ?rebro l?n
Article History
First Online: 23 January 2019
Compliance with Ethical Standards
:
: Ingmar Näslund has received consultant fees from Baricol Bariatrics AB, Sweden. None of the remaining authors declare conflicts 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 regional ethics committee in Uppsala, Sweden.