Chatbot as a Telehealth Intervention Strategy in the COVID-19 Pandemic: Lessons Learned from an Action Research Approach. - Bruno Azevedo Chagas; Kícila Ferreguetti; Thiago C. Ferreira; Milena Soriano Marcolino; Leonardo B. Ribeiro; Adriana S. Pagano; Zilma S. N. Reis; Raquel O. Prates; Wagner Meira Jr.; Antonio L. Ribeiro (CLEI Electron. J., 2021)