1. Commission of the European Communities (2007) White paper together for health: a strategic approach for the EU 2008–2013. http://ec.europa.eu/health/ph_overview/Documents/strategy_wp_en.pdf . Accessed 25 Oct 2016
2. Demotes-Mainard J, Ohrmann C (2005) European clinical research infrastructures network: promoting harmonization and quality in European clinical research. Lancet 365:107–108
3. ESCP: pan European Coloproctology trials map. http://www.escp.eu.com/research/international-trials/trials-map . Accessed 25 Oct 2016
4. Gehering M, Taylor RS, Mellody M et al (2013) Factors influencing clinical trial site selection in Europe: the Survey of Attitudes towards Trial sites in Europe (the SAT-EU Study) BMJ Open. doi: 10.1136/bmjopen-2013-002957
5. Directive 2011/24/eu of the European parliament and of the council of 9 March 2011 on the application of patients’ rights in cross-border healthcare. 2011 Official Journal of the European Union L 88/45. http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2011:088:0045:0065:en:PDF . Accessed 9 Mar 2011