Correction to: Study protocol: baby-OSCAR Trial: Outcome after Selective early treatment for Closure of patent ductus ARteriosus in preterm babies, a multicentre, masked, randomised placebo-controlled parallel group trial

Affiliations

• ¹ University Hospital of North Tees, Hardwick Road, Stockton-On-Tees, TS19 8PE, UK. samir.gupta@durham.ac.uk.
• ² National Perinatal Epidemiology Unit (NPEU) Clinical Trials Unit, Nuffield Department of Population Health, University of Oxford, Old Road, Campus, Headington, Oxford, OX3 7LF, UK.
• ³ Nottingham Clinical Trials Unit, School of Medicine, University of Nottingham, University Park Nottingham, Nottingham, NG7 2RD, UK.
• ⁴ Institute of Applied Health Research, University of Birmingham, Birmingham, B15 2TT, UK.
• ⁵ Liverpool Women's NHS Foundation Trust, Crown Street, Liverpool, L8 7SS, UK.
• ⁶ South Tees Hospitals NHS Foundation Trust, James Cook University Hospital, Middlesbrough, TS4 3BW, UK.
• ⁷ NICU, Rosie Hospital, Cambridge University Hospital Foundation Trust, Cambridge, CB2 2QQ, UK.
• ⁸ Department of Health Science, The University of Leicester, University Road, George Davies Centre, Leicester, LE1 7RH, UK.