The Real-World Experiences of Persons With Multiple Sclerosis During the First COVID-19 Lockdown: Application of Natural Language Processing

Deborah Chiavi   ^{1 *} , MSc ;   Christina Haag   ^{1, 2 *} , PhD ;   Andrew Chan   ³ , MD ;   Christian Philipp Kamm   ^{3, 4} , MD ;   Chloé Sieber   ^{1, 2} , MSc ;   Mina Stanikić   ^{1, 2} , MD ;   Stephanie Rodgers   ¹ , PhD ;   Caroline Pot   ⁵ , MD ;   Jürg Kesselring   ⁶ , MD ;   Anke Salmen   ³ , MD ;   Irene Rapold   ¹ , PhD ;   Pasquale Calabrese   ⁷ , MD ;   Zina-Mary Manjaly   ^{8, 9} , MD ;   Claudio Gobbi   ^{10, 11} , MD ;   Chiara Zecca   ^{10, 11} , MD ;   Sebastian Walther   ¹² , MD ;   Katharina Stegmayer   ¹² , MD ;   Robert Hoepner   ³ , MD ;   Milo Puhan   ¹ , PhD ;   Viktor von Wyl   ^{1, 2} , PhD

¹ Institute for Implementation Science in Health Care, University of Zurich, Zurich, Switzerland

² Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland

³ Department of Neurology, Inselspital, Bern University Hospital and University of Bern, Bern, Switzerland

⁴ Neurocenter, Lucerne Cantonal Hospital, Lucerne, Switzerland

⁵ Service of Neurology, Department of Clinical Neurosciences, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland

⁶ Department of Neurology and Neurorehabilitation, Rehabilitation Centre Kliniken Valens, Valens, Switzerland

⁷ Division of Molecular and Cognitive Neuroscience, University of Basel, Basel, Switzerland

⁸ Department of Neurology, Schulthess Klinik, Zurich, Switzerland

⁹ Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland

¹⁰ Multiple Sclerosis Center, Department of Neurology, Neurocenter of Southern Switzerland, Ente Ospedaliero Cantonale, Lugano, Switzerland

¹¹ Faculty of Biomedical Sciences, Università della Svizzera Italiana (USI), Lugano, Switzerland

¹² Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland

*these authors contributed equally