Corrigendum on: Densification of the Ground-Based GNSS Observation Network in the Southwest Indian Ocean: Current Status, Perspectives, and Examples of Applications in Meteorology and Geodesy - Bousquet, Olivier; Lees, Edouard; Durand, Jonathan; Peltier, Aline; Duret, Anne; Mekies, Dominique; Boissier, Patrice; Donal, Thomas; Fleischer-Dogley, Frauke; Zakariasy, Lova (Frontiers in Earth Science, 2020)