- Correspondence to Dr Peter Malfertheiner, Department of Gastroenterology, Hepatology and Infectious Diseases, Otto-v.-Guericke University, Leipziger Str. 44, Magdeburg 39120, Germany;
- Received January 4, 2013
- Revised March 3, 2013
- Accepted March 21, 2013
- First published April 23, 2013.
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