BIG-register- The BIG-register (Professions in Individual Health Care) is a Dutch database in which a number of officially recognized health professionals has been registered.
Nederlands Instituut van Psychologen- Dutch Institute of Psychologists (NIP), with over 13,000 members, is the largest professional association of psychologists in the Netherlands. The association represents the interests of its members and provides a platform for the exchange of knowledge. Additionally, NIP promotes practice of psychology in general.