Electronic Health Diary Campaigns to Complement Longitudinal Assessments in Persons With Multiple Sclerosis: Nested Observational Study

Chloé Sieber   ^{1, 2} , MSc ;   Deborah Chiavi   ^{1, 2} , MSc ;   Christina Haag   ^{1, 2} , PhD ;   Marco Kaufmann   ¹ , PhD ;   Andrea B Horn   ^{3, 4, 5} , Dr rer nat ;   Holger Dressel   ⁶ , MD, Prof Dr ;   Chiara Zecca   ^{7, 8} , MD, Prof Dr ;   Pasquale Calabrese   ^{9, 10} , MD, Dr rer nat, Prof Dr ;   Caroline Pot   ¹¹ , MD, Prof Dr ;   Christian Philipp Kamm   ^{12, 13} , MD, Prof Dr ;   Viktor von Wyl   ^{1, 2} , PhD, Prof Dr ;   Swiss Multiple Sclerosis Registry   ¹⁴

¹ Swiss Multiple Sclerosis Registry, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland

² Institute for Implementation Science in Health Care, University of Zurich, Zürich, Switzerland

³ University Research Priority Program “Dynamics of Healthy Aging”, University of Zurich, Zurich, Switzerland

⁴ Competence Center of Gerontology, University of Zurich, Zurich, Switzerland

⁵ Department of Psychology, University of Zurich, Zurich, Switzerland

⁶ Division of Occupational and Environmental Medicine, University of Zurich and University Hospital Zurich, Zurich, Switzerland

⁷ Multiple Sclerosis Center, Neurocenter of Southern Switzerland, Ente Ospedaliero Cantonale, Lugano, Switzerland

⁸ Faculty of Biomedical Sciences, Università della Svizzera Italiana, Lugano, Switzerland

⁹ Neuropsychology and Behavioral Neurology Unit, Division of Molecular and Cognitive Neuroscience, University of Basel, Basel, Switzerland

¹⁰ Department of Neurology, University Clinic of Basel, Basel, Switzerland

¹¹ Service of Neurology, Department of Clinical Neurosciences, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland

¹² Department of Neurology, Inselspital, Bern University Hospital and University of Bern, Bern, Switzerland

¹³ Neurocenter, Cantonal Hospital Lucerne, Lucerne, Switzerland

¹⁴ See Acknowledgments, Zurich, Switzerland