International Differences in Multiple Sclerosis Health Outcomes and Associated Factors in a Cross-sectional Survey oleh Grace D. Reilly, Awng Shar Mahkawnghta, Pia L. Jelinek, Alysha M. De Livera, Alysha M. De Livera, Tracey J. Weiland, Chelsea R. Brown, Keryn L. Taylor, Sandra L. Neate, George A. Jelinek, Claudia H. Marck