Correction: Observational study assessing demographic, economic and clinical factors associated with access and utilization of health care services of patients with multiple sclerosis under treatment with interferon beta-1b (EXTAVIA).
Hadjigeorgiou G, Dardiotis E, Tsivgoulis G, Doskas T, Petrou D, Makris N, Vlaikidis N, Thomaidis T, Kyritsis A, Fakas N, et al.
PLoS One. 2015; 10(10):e0140308. Epub 2015 Oct 06. PMID: 26440275.Abstract