Breastfeeding, cognitive ability, and residual confounding: A comment on studies by Pereyra-Elìas et al.

• Kimmo Sorjonen ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Visualization, Writing – original draft

  * E-mail: kimmo.sorjonen@ki.se

  Affiliation Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden

  https://orcid.org/0000-0001-9930-057X

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• Gustav Nilsonne,

  Roles Conceptualization, Investigation, Supervision, Writing – review & editing

  Affiliations Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden, Department of Psychology, Stockholm University, Stockholm, Sweden

  https://orcid.org/0000-0001-5273-0150

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• Michael Ingre,

  Roles Conceptualization, Investigation, Supervision, Writing – review & editing

  Affiliations Department of Gastroenterology and Hepatology, Karolinska University Hospital Huddinge, Karolinska Institutet, Stockholm, Sweden, Institute for Globally Distributed Open Research and Education (IGDORE), Stockholm, Sweden

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• Bo Melin

  Roles Conceptualization, Investigation, Supervision, Writing – review & editing

  Affiliation Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden

  https://orcid.org/0000-0002-8008-2215

  ⨯