- Correspondence to Dr. Florian van Bömmel, Section of Hepatology, Clinic for Gastroenterology and Rheumatology, University Hospital Leipzig AöR, Liebigstraße 20, 04103 Leipzig, Germany;
- Received 20 January 2017
- Revised 19 July 2017
- Accepted 7 August 2017
- Published online 5 October 2017.
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