About the Authors

Sohana Farhin

Roles Formal analysis, Investigation

Affiliation McMaster Brain-Body Institute, St. Joseph’s Healthcare, Hamilton, Ontario, Canada

Annette Wong

Roles Investigation

Affiliation McMaster Brain-Body Institute, St. Joseph’s Healthcare, Hamilton, Ontario, Canada

Thilini Delungahawatta

Roles Formal analysis, Investigation

Affiliation McMaster Brain-Body Institute, St. Joseph’s Healthcare, Hamilton, Ontario, Canada

Jessica Y. Amin

Roles Formal analysis, Investigation

Affiliation McMaster Brain-Body Institute, St. Joseph’s Healthcare, Hamilton, Ontario, Canada

John Bienenstock

Roles Conceptualization, Writing – review & editing

Affiliations McMaster Brain-Body Institute, St. Joseph’s Healthcare, Hamilton, Ontario, Canada, Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada

Rachael Buck

Roles Conceptualization, Funding acquisition, Supervision

Affiliation Abbott Nutrition R&D, RP4-3/Dept 105600, Columbus, Ohio, United States of America

Wolfgang A. Kunze

Roles Conceptualization, Supervision, Writing – original draft, Writing – review & editing

kunzew@mcmaster.ca

Affiliations McMaster Brain-Body Institute, St. Joseph’s Healthcare, Hamilton, Ontario, Canada, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada, Department of Biology, McMaster University, Hamilton, Ontario, Canada

Competing Interests

This study was supported by Abbott Nutrition, Columbus, OH with the generous provision of 2ʹ-fucosyllactose (2ʹFL) as a gift. RB is a paid employee of Abbott Nutrition. This does not alter our adherence to PLOS ONE policies on sharing data and materials. Abbott had no input into the study design, data collection, analysis or conduct of the experiments described, nor in the writing of this paper and decision to submit for publication. None of the authors are involved in consultancy, patents, products in development, or marketed products for Abbott Nutrition.