M. del C. Pérez-Fuentes, M. del M. Molero Jurado, África Martos Martínez, M. del M. Sim´ón Márquez, and J. J. Gázquez Linares, “Mood and Affective Balance of Spaniards Confined by COVID-19: A Cross-Sectional Study”, Int. j. psychol. res., vol. 14, no. 1, pp. 55–65, Apr. 2021.