2000 Israel Pediatrics Society, Tel Aviv, Israel.
2001 Israel Pediatrics Society, Tel Aviv, Israel.
2001 Society for pediatrics research, Baltimore, USA.
2002 Israel Pediatrics Society, Tel Aviv, Israel.
2002 Institute for Health Improvement, Orlando, USA.
2003 Israel Pediatrics Society, Tel Aviv, Israel.
2003 Society for pediatrics research, Seattle, USA.
2004 Society for pediatrics research, San Francisco, USA.
2004 Israel Pediatrics Society, Tel Aviv, Israel.
2005 Israel Pediatrics Society, Tel Aviv, Israel.
2005 Society for pediatrics research, Washington DC, USA.
2006 Society for pediatrics research, San Francisco, USA.
2007 Israel Pediatrics Society, Tel Aviv, Israel.
2008 European society for pediatrics research, Prague, Czech
2008 Israel Pediatrics Society, Tel Aviv, Israel
2009 Israel Pediatrics Society, Tel Aviv, Israel.
2009 Society for Pediatric Research, Baltimore, Maryland, USA
2010 Israel Pediatrics Society, Tel Aviv, Israel
2010 Society for Pediatric Research, Vancouver, BC, Canada, USA
2011 Annual meeting of ESPGHAN, Sorrentt, Italy
2012 American Pediatric Societies (PAS), Boston MA, USA