1. CASC, Computational Aspects of Statistical Confidentiality, European Project IST-2000-25069 CASC. http://neon.vb.cbs.nl/casc, 2001–2004
2. HIPAA, Health Insurance Portability and Accountability Act. http://www.hhs.gov/ocr/hipaa/, 2004
3. On privacy-preserving access to distributed heterogeneous healthcare information;Boyens,2004
4. EuroPrivacy, European privacy regulations. http://europa.eu.int/comm/internal_market/privacy/law_en.htm, 2005
5. USPrivacy, US privacy regulations. http://www.media-awareness.ca/english/issues/privacy/us_legislation_privacy.cfm, 2005