Extrafine HFA-beclomethasone-formoterol vs. nonextrafine combination of an inhaled corticosteroid and a long acting β2-agonist in patients with persistent asthma: A systematic review and meta-analysis

• Ting Liu ,

  Contributed equally to this work with: Ting Liu, Dan Yang

  Roles Data curation, Formal analysis, Investigation, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Department of Respiratory and Critical Care Medicine, West China School of Medicine and West China Hospital, Sichuan University, Chengdu Province, China

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• Dan Yang ,

  Contributed equally to this work with: Ting Liu, Dan Yang

  Roles Data curation, Formal analysis, Investigation, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Department of Respiratory and Critical Care Medicine, West China School of Medicine and West China Hospital, Sichuan University, Chengdu Province, China

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• Chuntao Liu

  Roles Conceptualization, Methodology, Project administration, Resources, Supervision

  * E-mail: taosen666999@163.com

  Affiliation Department of Respiratory and Critical Care Medicine, West China School of Medicine and West China Hospital, Sichuan University, Chengdu Province, China

  https://orcid.org/0000-0002-2241-2474

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