AUTHOR=Maroti Daniel , Johansson Robert TITLE=Is Cognitive Change Necessary to Alleviate Symptoms in Patients With Functional Somatic Syndrome? JOURNAL=Frontiers in Psychiatry VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2021.781083 DOI=10.3389/fpsyt.2021.781083 ISSN=1664-0640