Corrigendum: Extracorporeal Shock Wave Therapy Enhances the In Vitro Metabolic Activity and Differentiation of Equine Umbilical Cord Blood Mesenchymal Stromal Cells - Salcedo-Jiménez, Ramés; Koenig, Judith B.; Lee, Olivia J.; Gibson, Thomas W. G.; Madan, Pavneesh; Koch, Thomas G. (Frontiers in Veterinary Science, 2022)