S. Shojaee, M. A. Pourhoseingholi, S. Ashtari, A. Vahedian-Azimi, H. Asadzadeh Aghdaei, and M. R. Zali, “Predicting the mortality due to Covid-19 by the next month for Italy, Iran and South Korea; a simulation study”, Gastroenterol Hepatol Bed Bench, vol. 13, no. 2, pp. 177–179, Mar. 2020.