Economic and societal burden of myasthenia gravis in Denmark, Finland, and Sweden: A population-based registry study

Fredrik Piehl^*, John Vissing, Juha Mehtälä, Fredrik Berggren, Ingrid Lindberg-Schager, Didier Pitsi, Evangelos Tsitlakidis, Aino Vesikansa, Riina-Minna Väänänen, Tero Ylisaukko-Oja, Sari Atula