Corrigendum: Positive Effects of Nature on Cognitive Performance Across Multiple Experiments: Test Order but Not Affect Modulates the Cognitive Effects - Stenfors, Cecilia U. D.; Van Hedger, Stephen C.; Schertz, Kathryn E.; Meyer, Francisco A. C.; Smith, Karen E. L.; Norman, Greg J.; Bourrier, Stefan C.; Enns, James T.; Kardan, Omid; Jonides, John; Berman, Marc G. (Frontiers in Psychology, 2019)