Given that January 2020 Elsevier has developed a COVID-19 source centre with cost-free data in English and Mandarin about the novel coronavirus COVID-19. The COVID-19 source centre is hosted on Elsevier Join, the company's public news and knowledge Web site. Elsevier hereby grants permission to make all its COVID-19-linked research https://www.youtube.com/watch?v=bEpgQCmGRSY