1. US Food and Drug Administration. Regulatory information. Frequently asked questions: Breakthrough Therapies. http://www.fda.gov/RegulatoryInformation/Legislation/SignificantAmendmentstotheFDCAct/FDASIA/ucm341027.htm. Accessed June 13, 2016.
2. Japan Ministry of Health, Labour and Welfare. Sakigake Designation [in Japanese]. http://www.mhlw.go.jp/seisakunitsuite/bunya/kenkou_iryou/iyakuhin/topics/tp150514-01.html. Accessed June 13, 2016.
3. European Medicines Agency. PRIME: Priority Medicines. http://www.ema.europa.eu/ema/index.jsp%3Fcurl%3Dpages/regulation/general/general_content_000660.jsp%26mid%3DWC0b01ac058096f643. Accessed June 13, 2016.
4. European Medicines Agency. European Medicines Agency guidance for applicants seeking access to PRIME scheme. http://www.ema.europa.eu/docs/en_GB/document_library/Other/2016/03/WC500202630.pdf. Published March 7, 2016. Accessed June 13, 2016.
5. European Medicines Agency. PRIME eligibility requests. http://www.ema.europa.eu/docs/en_GB/document_library/Other/2016/03/WC500202638.pdf. Published March 7, 2016. Accessed June 13, 2016.