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| - In October 2009, he was a Visiting Professor at the Department of Pediatric Surgery, University of Graz, Austria, and at the Department of Pediatric Surgery, Norfolk, Va, USA. Furthermore, Professor Haecker is a Member of the following academic societies: Swiss Society for Pediatric Surgery, Swiss Society for Pediatric Urology (SWISSPU), German Society for Pediatric Surgery, German Society for Gen
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