1. European Medicines Agency (2011) Annex I. Summary of product characteristics. Gilenya (fingolimod). http://www.ema.europa.eu/docs/en_GB/document_library/EPAR_-_Product_Information/human/002202/WC500104528.pdf . Accessed 10 June 2015
2. US Food and Drug Administration (2015) Gilenya full prescribing information. http://www.accessdata.fda.gov/drugsatfda_docs/label/2015/022527s013lbl.pdf . Accessed 9 June 2014
3. Novartis Q1 2015 condensed interim financial report. https://www.novartis.com/sites/www.novartis.com/files/2015-04-interim-financial-report-en.pdf . Accessed 10 June 2015
4. Beck AT, Steer RA (1978) Beck Depression Inventory. The Psychological Corporation Harcourt Brace Jovanovich, Inc
5. Bermel RA, Bakshi R (2006) The measurement and clinical relevance of brain atrophy in multiple sclerosis. Lancet Neurol 5:158–170