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DG and MR contributed equally.
Contributors DG, SR and SC conceived the idea, planned and designed the study. DG, CC, AM and MR wrote the first draft. CM and AG evaluated and wrote the clinical cases. DG and SM designed the search strategy. DG, ES, AM and MR evaluated the literature and selected the papers. DG, SR and CC planned the data extraction. SM, AM and MR extracted and analysed data. DG and MR revised the draft and updated the manuscript. CP, SC, TM and SR provided critical insights. All authors have approved and contributed to the final version of the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent Not required.
Provenance and peer review Not commissioned; internally peer reviewed.