Corrigendum: The effects of COVID-19 on the placenta during pregnancy - Rad, Habib Sadeghi; Röhl, Joan; Stylianou, Nataly; Allenby, Mark C.; Bazaz, Sajad Razavi; Warkiani, Majid E.; Guimaraes, Fernando S. F.; Clifton, Vicki L.; Kulasinghe, Arutha (Frontiers in Immunology, 2022)