Corrigendum: Cathepsin D Variants Associated With Neurodegenerative Diseases Show Dysregulated Functionality and Modified α-Synuclein Degradation Properties - Bunk, Josina; Prieto Huarcaya, Susy; Drobny, Alice; Dobert, Jan Philipp; Walther, Lina; Rose-John, Stefan; Arnold, Philipp; Zunke, Friederike (Frontiers in Cell and Developmental Biology, 2021)