Type of the Paper: Review FROM COVID-19 TO PSYCHOLOGICAL DISTRESS: A SYSTEMATIC REVIEW ON QUARANTINE. Marco Cavicchioli 1 , Roberta Ferrucci 2,3,4,5 , Matteo Guidetti 4,6 , Maria Paola Canevini 2,3 Gabriella Pravettoni 7,8 and Federica Galli 2,7,* 1. Department of Psychology, University “Vita-Salute San Raffaele”. Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy; cavicchioli.marco@hsr.it 2. Asst SS.Paolo e Carlo, S.Paolo Hospital, Milan, Italy; roberta.ferrucci@unimi.it 3. Department of Health Science, University of Milan, Milan, Italy; mariapaola.canevini@unimi.it 4. Aldo Ravelli Center, Department of Health Science, University of Milan, Milan, Italy. 5. Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy 6. Department of Electronics, Information and Bioengineering, Politecnico di Milano, Italy; matteo.guidetti@unimi.it 7. European Institute of Oncology, Milan, Italy. 8. Department of Oncology and Hemato-Oncology - University of Milan; gabriella.pravettoni@unimi.it *Corresponding Author: Dr. Federica Galli, European Institute of Oncology, Via G. Ripamonti 435. Milan, Italy. Email address: federica.galli1@unimi.it Preprints (www.preprints.org) | NOT PEER-REVIEWED | Posted: 7 December 2020 doi:10.20944/preprints202012.0135.v1 © 2020 by the author(s). Distributed under a Creative Commons CC BY license.