2000 Israel Pediatrics Society, Tel Aviv, Israel
2001 Israel Pediatrics Society, Tel Aviv, Israel
2002 American College of Nutrition. San Antonio, USA. (oral presentation)
2003 Israel Pediatrics Society, Tel Aviv, Israel
2003 Society for Pediatrics Research, Seattle, USA ( poster )
2004 Israel Pediatrics Society, Tel Aviv, Israel
2005 Israel Pediatrics Society, Tel Aviv, Israel
2006 Israel Pediatric Gastroenterology Society, Tel Aviv, Israel (oral presentation)
2007 ESPHGAN, Barcelona, Spain ( poster )
2008 Israel Pediatric Gastroenterology Society, Tel Aviv, Israel
2008 World pediatric Gastroenterology, Paris, France ( poster )
2009 Israel Pediatric Gastroenterology Society, Tel Aviv, Israel
2009 Digetive Disease Week., Chicago, USA ( poster )
2010 Israel Pediatric Gastroenterology Society, Tel Aviv, Israel (oral presentation)
2010 Digetive Disease Week., New Olreans, USA
2010 Israel Pediatric Gastroenterology Society, Tel Aviv, Israel (oral presentation)
2011 Annual meeting of ESPGHAN, Sorrento, Italy
2012 Digetive Disease Week., San Diego, USA
2012 World pediatric Gastroenterology, Taipe, Taiwan ( poster )
2013 Annual meeting of ESPGHAN, London, England ( poster )