title: The HubBle trial: a word of caution - Authors' reply.
authors.affiliation: Sheffield Teaching Hospitals, Northern General Hospital, Sheffield S5 7AU, UK. Electronic address: steven.brown@sth.nhs.uk.
authors.forename: Steven R
authors.initials: SR
authors.lastname: Brown
authors.affiliation: Clinical Trials Research Unit, School of Health and Related Research, University of Sheffield, Sheffield, UK.
authors.forename: Michael
authors.initials: M
authors.lastname: Bradburn