At the Hotel Dieu de Levis Hospital, Quebec, Canada (1998); Umea University Sweden (1991); Kalmar Behandlingshemmet, Sweden (1998) and Mora Behandlingshemmet, Sweden (1996) Rosenburg Hospital, Den Haag, Holland (1995); Bescia, Italy (1999); University of Oslo, (2000); Gothenburg University Psychiatry Dept (2000); Keio University, Tokyo, Japan (2000); New Hampshire (Dartmouth Med School) (2001); University of Hong Kong and Tai Po Hospital, New Territories (2001); Boston (Mass Gen Hospital) (2002), Boulder Colorado (2003); Aarhus Hospital, Denmark (2001, 2004); and have been invited to Palo Alto, California and Bologna (2005).