AUTHOR=Chiappini Stefania , Guirguis Amira , John Ann , Corkery John Martin , Schifano Fabrizio TITLE=COVID-19: The Hidden Impact on Mental Health and Drug Addiction JOURNAL=Frontiers in Psychiatry VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2020.00767 DOI=10.3389/fpsyt.2020.00767 ISSN=1664-0640