Bibliographical note

Funding Information:
Cochrane Hepato-Biliary Group supported the authors in the development of this protocol. The following people conducted the editorial process for this article. Sign-off Editor (final editorial decision): Martin Burton, University of Oxford, UK. Managing Editor (selected peer reviewers, provided comments, collated peer-reviewer comments, provided editorial guidance to authors, edited the article): Lara Kahale, Cochrane Central Editorial Service. Editorial Assistant (conducted editorial policy checks and supported editorial team): Lisa Wydrzynski, Cochrane Central Editorial Service. Copy Editor (copy-editing and production): Luisa M Fernandez Mauleffinch, Cochrane Central Production Service. Peer Reviewers (provided comments and recommended an editorial decision): Rachel Richardson, Cochrane Evidence Production and Methods Directorate (methods review); Robin Featherstone, Cochrane Central Editorial Service (search review); Anna Kanjo, Heim Pál National Paediatric Institute, Budapest, Hungary (clinical); Daniele Pironi, Sapienza University of Rome, Italy (clinical); and Alessandro Gemini, Santa Maria Hospital, Terni, Italy (clinical). Sign-off Editor (final editorial decision): Martin Burton, University of Oxford, UK. Managing Editor (selected peer reviewers, provided comments, collated peer-reviewer comments, provided editorial guidance to authors, edited the article): Lara Kahale, Cochrane Central Editorial Service. Editorial Assistant (conducted editorial policy checks and supported editorial team): Lisa Wydrzynski, Cochrane Central Editorial Service. Copy Editor (copy-editing and production): Luisa M Fernandez Mauleffinch, Cochrane Central Production Service. Peer Reviewers (provided comments and recommended an editorial decision): Rachel Richardson, Cochrane Evidence Production and Methods Directorate (methods review); Robin Featherstone, Cochrane Central Editorial Service (search review); Anna Kanjo, Heim Pál National Paediatric Institute, Budapest, Hungary (clinical); Daniele Pironi, Sapienza University of Rome, Italy (clinical); and Alessandro Gemini, Santa Maria Hospital, Terni, Italy (clinical).