Footnotes

• Contributors All authors contributed to the definition and finalization of the statements and the overall consensus document.

• 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 of the co-authors has any conflicts of interest apart from: Christina Fotopoulou who has received honoraria from Roche, Ethicon, Sequana; Thomas Ind who has received consultancy from Medtronic; Jo Morrison who is a Co-ordinations editor for Cochrane Gynaecological, Neuro-oncology and Orphan Cancer Group which is funded via an infrastructure grant from the National Institute for Health Research.

• Patient consent for publication Not required.

• Provenance and peer review Commissioned; internally peer reviewed.

• Data availability statement Data are available upon reasonable request.