Early impairment of myocardial deformation assessed by regional speckle-tracking echocardiography in the indeterminate form of Chagas disease without fibrosis detected by cardiac magnetic resonance

• Minna Moreira Dias Romano ,

  Roles Conceptualization, Investigation, Methodology, Project administration, Writing – original draft

  * E-mail: minna@fmrp.usp.br

  Affiliation Cardiology Center of the Medical School of Ribeirão Preto, Internal Medicine Department, University of São Paulo (USP), Brazil

  https://orcid.org/0000-0002-8742-3764

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• Henrique Turin Moreira,

  Roles Formal analysis

  Affiliation Cardiology Center of the Medical School of Ribeirão Preto, Internal Medicine Department, University of São Paulo (USP), Brazil

  https://orcid.org/0000-0002-4543-4684

  ⨯
• José Antônio Marin-Neto,

  Roles Funding acquisition, Writing – review & editing

  Affiliation Cardiology Center of the Medical School of Ribeirão Preto, Internal Medicine Department, University of São Paulo (USP), Brazil

  https://orcid.org/0000-0002-8651-8833

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• Priscila Elias Baccelli,

  Roles Data curation

  Affiliation Cardiology Center of the Medical School of Ribeirão Preto, Internal Medicine Department, University of São Paulo (USP), Brazil

  https://orcid.org/0000-0003-1971-468X

  ⨯
• Fawaz Alenezi,

  Roles Validation

  Affiliation Cardiology, Department of Medicine, Duke University School of Medicine, Durham, NC, United States of America

  ⨯
• Igor Klem,

  Roles Data curation

  Affiliation Cardiology, Department of Medicine, Duke University School of Medicine, Durham, NC, United States of America

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• Benedito Carlos Maciel,

  Roles Conceptualization

  Affiliation Cardiology Center of the Medical School of Ribeirão Preto, Internal Medicine Department, University of São Paulo (USP), Brazil

  https://orcid.org/0000-0002-3456-8433

  ⨯
• Joseph Kisslo,

  Roles Resources

  Affiliation Cardiology, Department of Medicine, Duke University School of Medicine, Durham, NC, United States of America

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• André Schmidt,

  Roles Writing – review & editing

  Affiliation Cardiology Center of the Medical School of Ribeirão Preto, Internal Medicine Department, University of São Paulo (USP), Brazil

  https://orcid.org/0000-0002-1090-8165

  ⨯
• Eric J. Velazquez

  Roles Supervision

  Current address: Cardiovascular Medicine, Yale School of Medicine, New Haven, CT, United States of America

  Affiliation Cardiology, Department of Medicine, Duke University School of Medicine, Durham, NC, United States of America

  https://orcid.org/0000-0003-2245-7477

  ⨯