Pre-pandemic activity on a myalgic encephalomyelitis/chronic fatigue syndrome support forum is highly associated with later activity on a long COVID support forum for a variety of reasons: A mixed methods study

• William U. Meyerson ,

  Roles Conceptualization, Formal analysis, Writing – original draft

  * E-mail: william.meyerson@duke.edu

  Affiliation Department of Psychiatry & Behavioral Sciences, Duke University Health System, Durham, North Carolina, United States of America

  https://orcid.org/0000-0003-1757-1451

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• Rick H. Hoyle

  Roles Supervision, Writing – review & editing

  Affiliation Department of Psychology & Neuroscience, Duke University, Durham, North Carolina, United States of America

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