Waubant E, Banwell B, Wassmer E, Sormani MP, Amato MP, Hintzen R, Krupp L, Rostásy K, Tenembaum S, Chitnis T. Clinical trials of disease-modifying agents in pediatric MS: Opportunities, challenges, and recommendations from the IPMSSG. Neurology. 2019 05 28; 92(22):e2538-e2549.