Correction: Hyaluronic Acid Binding Sperm Selection for assisted reproduction treatment (HABSelect): study protocol for a multicentre randomised controlled trial

An additional author should appear in the article: Rachel Cutting. Her correspondence details are “Assisted Conception Unit, Jessop Wing, Royal Hallamshire Hospital, Tree Root Walk, Sheffield, S10 2SF, UK; rachel. cutting@ sth. nhs. uk”. The updated Contributors statement should read: Contributors Witt and Miller designed and wrote the protocol. Pavitt provided expert assistance on trial design and management. Kirkman-Brown, Lewis and Pacey provided expert assistance on the application of laboratory methods. Hooper and West provided essential statistical support on clinical and mechanistic aspects of the study, respectively. Cutting provided essential support with the clinical embryology embedded in the protocol. Khalaf, Coomarasamy and Bhattacharaya provided expert clinical support and checked the protocol for accuracy. Beresford designed the clinical Statistical Analysis Plan. Kate Brian is our Patient & Public Involvement Contributor.