Machado, R. A., Bonan, P. R. F., Perez, D. E. da C., Martelli, D. R. B. and Martelli-Júnior, H. (2020) “I am having trouble keeping up with virtual teaching activities: Reflections in the COVID-19 era”, Clinics, 750, p. e1945. doi: 10.6061/clinics/2020/e1945.