Footnotes

• Contributors RVA and JFT conceived and designed the study. RVA coded media articles and analysed data and wrote the first draft of the manuscript. CLK-C, JFT, MTVS contributed to the writing of the manuscript. RVA CLK-C, MTVS and JT agreed with the manuscript results and conclusions.

• Competing interests None.

• Provenance and peer review Not commissioned; externally peer reviewed.

• Data sharing statement Data set of coded articles available from the corresponding author on request.