2013    One-week Visiting Professorship at the Department of Pediatric and Adolescent Medicine,

            Division of Pediatrics, The Mayo Clinic, Minnesota, USA.


2005   Two-month Visiting Professorship in Pediatric Pain Management, Royal Children's

           Hospital, Melbourne, Australia.


1998   One-month Visiting Professorship in Department of Family Practice, Ben-Gurion

            University, Be’er-sheva, Israel.


1990   Four-month Sabbatical with Dept. of Psychological Medicine, Great Ormond Street

           Hospital for Children, London, England.