Rosa Perez-Siguas, Hernan Matta-Solis, Eduardo Matta-Solis, Luis Perez-Siguas, Hernan Matta-Perez, and Alejandro Cruzata-Martinez, “Emotion Analysis for Online Patient Care using Machine Learning”, J. Adv. Res. Appl. Sci. Eng. Tech., vol. 30, no. 2, pp. 314–320, May 2023.