References
  1. https://www.who.int/emergencies/diseases/novel-coronavirus-2019/events-as-they-happen; Accessed April 1st, 2020.
  2. https://github.com/pcm-dpc/COVID-19/blob/master/dati-regioni/dpc-covid19-ita-regioni.csv; Accessed April 1st, 2020.
  3. http://dati.istat.it/; Accessed April 1st, 2020.