1. Fritt Sykehusvalg http://www.frittsykehusvalg.no/start/
2. Your Hospitals http://www.health.vic.gov.au/yourhospitals/
3. CAHPS Home Page https://www.cahps.ahrq.gov/default.asp
4. Data briefing. Involvement leads to satisfaction;Redding;Health Service Journal,2008