- Correspondence to Professor P Malfertheiner, University of Magdeburg, Department of Gastroenterology, Hepatology and Infectious Diseases, Leipziger Str. 44, Magdeburg 39120, Germany;
- Received 19 May 2016
- Accepted 9 August 2016
- Published in print 1 January 2017.
- Published online 7 December 2016.
- Published first 5 October 2016.
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