1 Department of Internal Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
2 Department of Internal Medicine, Gävle County Hospital, Gävle, Sweden
3 Department of Gastroenterology, Sabbatsbergs Hospital, Stockholm, Sweden
4 Örebro University Hospital, Örebro, Sweden
5 Novartis Pharma AG, Basel, Switzerland
6 Department of Gastroenterology, Karolinska University Hospital, Stockholm, Sweden
Correspondence: Magnus Simrén, MD, PhD, Department of Internal Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, 41345 Gothenburg, Sweden. E-mail: [email protected]
Received 23 February 2011; accepted 26 August 2011
published online 4 October 2011