- Correspondence to Dr Beate Benestad, The Morbid Obesity Centre (MOC), Department of Medicine, Vestfold Hospital Trust, P.O. Box 2168, Tønsberg 3103, Norway;
- Received 22 September 2015
- Revised 3 October 2016
- Accepted 11 October 2016
- Published in print 1 April 2017.
- Published online 20 March 2017.
- Published first 2 November 2016.
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