Bullying among doctors in training: cross sectional questionnaire survey.

seroepidemiology unit for providing the samples for this study. The antibody testing was carried out at HPA Porton Down and we thank Moya Burrage, Lorraine Ransley, Carol Powell, Janet Blake, Jenna Plank, and Annette Crowley-Luke from the immunoassay laboratory. We thank our colleagues at the National Reference Laboratory for Bacterial Meningitis, Netherlands, for allowing us to present their recent Hib incidence figures. Contributors: JM, MPES, and MER obtained and analysed disease incidence data. CLT obtained and analysed seroepidemiological data. All authors contributed to study design and preparation of the final manuscript. MER is guarantor. Competing interests: MER and MPES have received research grants from vaccine manufacturers. JM was previously employed in an academic research post that was funded by a vaccine manufacturer.MER,MPES, and JM have all received funds from vaccine manufacturers to attend conferences and meetings. Funding: The seroepidemiology component of this study was partially funded by the Public Health Laboratory Service Small Scientific Initiatives fund. Surveillance for invasive Hib infections is part of the core work of the Health Protection Agency’s Communicable Disease Surveillance Centre and Haemophilus Reference Unit. Ethical approval: The Health Protection Agency has approval under Section 60 of the Health and Social Care Act to process confidential information about patients for the purposes of monitoring the efficacy and safety of vaccination programmes.