AUTHOR=Fonseca Vasco Lourenço , Caeiro Joaquim Croca , Juliao Rui Miranda TITLE=Multi-Level Governance of COVID-19 Pandemic and the Solitude Within Geriatric Oncology JOURNAL=Frontiers in Public Health VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2021.647444 DOI=10.3389/fpubh.2021.647444 ISSN=2296-2565