Timing and sequence of vaccination against COVID-19 and influenza - Author's reply - Elisabeth A. Dulfer; Büsra Geckin; Esther J.M. Taks; Corine H. GeurtsvanKessel; Helga Dijkstra; Liesbeth van Emst; Christa E. van der Gaast - de Jongh; Petra C. Koopmans; Jorge Domínguez-Andrés; Reinout van Crevel; Josephine S. van de Maat; Marien I. de Jonge; et al. (Elsevier, 2023)