Corrigendum: Blocking of the High-Affinity Interaction-Synapse Between SARS-CoV-2 Spike and Human ACE2 Proteins Likely Requires Multiple High-Affinity Antibodies: An Immune Perspective - Khatri, Indu; Staal, Frank J. T.; van Dongen, Jacques J. M. (Frontiers in Immunology, 2021)