Corrigendum: Single-Neuron Level One-Photon Voltage Imaging With Sparsely Targeted Genetically Encoded Voltage Indicators - Quicke, Peter; Song, Chenchen; McKimm, Eric J.; Milosevic, Milena M.; Howe, Carmel L.; Neil, Mark; Schultz, Simon R.; Antic, Srdjan D.; Foust, Amanda J.; Knöpfel, Thomas (Frontiers in Cellular Neuroscience, 2019)