1. European Commission , 2018. Authorisation procedures - the centralised procedure [online]. Available: https://ec.europa.eu/health/authorisation-procedures-centralised_en [Accessed 18 July 2018].
2. European Commission , 2018. Authorisation procedures - national authorisation procedures [online]. Available: https://ec.europa.eu/health/authorisation-procedures-national_en [Accessed 18 July 2018].
3. European Medicines Agency , 2018. Rare disease (orphan) designation [online]. Available: http://www.ema.europa.eu/ema/index.jsp?curl=pages/regulation/general/general_content_000029.jsp&mid=WC0b01ac0580b18a41 [Accessed 18 July 2018].
4. European Medicines Agency , 2018. Register of designated orphan medicinal products (orphan) [online]. Available: http://ec.europa.eu/health/documents/community-register/html/alforphreg.htm [Accessed 18 July 2018].