Early warning systems in obstetrics: A systematic literature review

• Aminu Umar,

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft

  Affiliation Centre for Maternal and Newborn Health, Liverpool School of Tropical Medicine, Liverpool, United Kingdom

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• Charles A. Ameh ,

  Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – original draft, Writing – review & editing

  * E-mail: Charles.Ameh@lstmed.ac.uk

  Affiliation Centre for Maternal and Newborn Health, Liverpool School of Tropical Medicine, Liverpool, United Kingdom

  http://orcid.org/0000-0002-2341-7605

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• Francis Muriithi,

  Roles Data curation, Formal analysis, Writing – review & editing

  Affiliation Blackpool Teaching Hospitals National Health Service Foundation Trust, Blackpool, United Kingdom

  http://orcid.org/0000-0002-2314-5611

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• Matthews Mathai

  Roles Conceptualization, Methodology, Supervision, Validation, Writing – review & editing

  Affiliation Centre for Maternal and Newborn Health, Liverpool School of Tropical Medicine, Liverpool, United Kingdom

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