Does initial high efficacy therapy in multiple sclerosis surpass escalation treatment strategy? A comparison of patients with relapsing-remitting multiple sclerosis in the Czech and Swedish national multiple sclerosis registries

Tereza Hrnčiarová, Jiří Drahota, Tim Spelman, Jan Hillert, Jan Lycke, Eva Havrdová, Eva Recmanová, Jana Adámková, Jan Mareš, Jana Libertínová, Zbyšek Pavelek, Pavel Hradílek, Radek Ampapa, Ivana Štětkářová, Marek Peterka, Alena Martinková, Pavel Štourač, Markéta Grünermelová, Marta Vachová, Michal Dufek, Dana Horáková