Corrigendum: Clinical Improvement Following Stroke Promptly Reverses Post-stroke Cellular Immune Alterations - Vogelgesang, Antje; Witt, Carl; Heuer, Christin; Schulze, Juliane; Gellrich, Juliane; von Sarnowski, Bettina; Langner, Sönke; Dressel, Alexander; Ruhnau, Johanna (Frontiers in Neurology, 2020)