Footnotes

• Contributors TH and IB contributed to the acquisition of data from the internet websites and mobile phone applications, including the results and relevant findings. SH contributed to data analysis and interpretation. The review was drafted by TH and revised for important intellectual content by IB and SH. TH, IB and SH have contributed equally to the final approval of this case report.

• Competing interests None declared.

• Patient consent Not required.

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