The quantitative prevalence of creaky voice (vocal fry) in varieties of English: A systematic review of the literature

• Katherine Dallaston ,

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

  * E-mail: katherine.dallaston@griffithuni.edu.au

  Affiliation School of Humanities, Languages and Social Science, Griffith University, Nathan, Queensland, Australia

  http://orcid.org/0000-0002-9062-9114

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• Gerard Docherty

  Roles Supervision, Validation, Writing – review & editing

  Affiliation Arts, Education and Law Group, Griffith University, Nathan, Queensland, Australia

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