Since January 2020 Elsevier has developed a COVID-19 useful resource centre with totally free data in English and Mandarin over the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Join, the organization's public news and knowledge website. Elsevier hereby grants authorization to produce all its COVID-19-linked study https://www.youtube.com/watch?v=bEpgQCmGRSY