Adams, M.; Schulzke, S. M.; Rogdo, B.; Meyer, P.; McDougall, J.; Stocker, M.; Schneider, J.; Riedel, T.; Pfister, R.; Bassler, D. Impact of SARS-CoV-2 on Incidence, Treatment and Outcome of Very Preterm Born Infants in Switzerland: A Retrospective, Population-Based Cohort Study. Swiss Med Wkly 2022, 152, w30174.