Protocol of the PROMOTE study: characterization of the microbiome, the immune response, and one-carbon metabolism in preconceptional and pregnant women with and without obesity (an observational subcohort of the Rotterdam Periconception cohort)

• Nicole Schenkelaars,

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

  Affiliation Department of Obstetrics and Gynaecology, Erasmus Medical Center, Rotterdam, The Netherlands

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• Lieske Wekema,

  Roles Methodology, Writing – review & editing

  Affiliation Department of Pathology and Medical Biology, University Medical Center Groningen and University of Groningen, Groningen, The Netherlands

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• Marijke M. Faas,

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Writing – review & editing

  Affiliation Department of Pathology and Medical Biology, University Medical Center Groningen and University of Groningen, Groningen, The Netherlands

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• Régine P.M. Steegers-Theunissen,

  Roles Funding acquisition, Project administration, Supervision, Writing – review & editing

  Affiliation Department of Obstetrics and Gynaecology, Erasmus Medical Center, Rotterdam, The Netherlands

  https://orcid.org/0000-0002-4353-5756

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• Sam Schoenmakers

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Visualization, Writing – review & editing

  * E-mail: s.schoenmakers@erasmusmc.nl

  Affiliation Department of Obstetrics and Gynaecology, Erasmus Medical Center, Rotterdam, The Netherlands

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