Patient Portal Registrations at a Swiss Tertiary Referral Hospital Over the Course of the COVID-19 Pandemic: Retrospective Data Analysis

Anita D Linke   ^{1 *} , MSc ;   Amanda Franklin-Ryan   ^{1 *} , MSc ;   Angela Horn   ¹ , MSc ;   Patrick E Beeler   ² , PD, Dr med ;   Balthasar L Hug   ^{2, 3} , Prof Dr Med

¹ Faculty of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland

² Center for Primary and Community Care, Faculty of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland

³ Department of General Internal Medicine, Cantonal Hospital of Lucerne, Lucerne, Switzerland

*these authors contributed equally