Objective measurement of tummy time in infants (0-6 months): A validation study

• Lyndel Hewitt ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing

  * E-mail: llh966@uowmail.edu.au

  Affiliation Early Start, Faculty of Social Sciences and Illawarra Health and Medical Research Institute, University of Wollongong, Northfields Avenue, Wollongong, New South Wales, Australia

  http://orcid.org/0000-0002-1442-706X

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• Rebecca M. Stanley,

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

  Affiliation Early Start, Faculty of Social Sciences and Illawarra Health and Medical Research Institute, University of Wollongong, Northfields Avenue, Wollongong, New South Wales, Australia

  http://orcid.org/0000-0001-7007-3406

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• Dylan Cliff,

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

  Affiliation Early Start, Faculty of Social Sciences and Illawarra Health and Medical Research Institute, University of Wollongong, Northfields Avenue, Wollongong, New South Wales, Australia

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• Anthony D. Okely

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

  Affiliation Early Start, Faculty of Social Sciences and Illawarra Health and Medical Research Institute, University of Wollongong, Northfields Avenue, Wollongong, New South Wales, Australia

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