British Association of Dermatologists Guidelines for Biologic Therapy for Psoriasis 2017

Acknowledgments
We are grateful to the following for their critical review, advice and assistance: Dr Kate Kelley and Dr Saoussen Ftouh, National Guideline Centre (NGC); Professor Onn Min Kon, Chair of the U.K. Joint Tuberculosis Committee, Imperial College Healthcare NHS Trust; Dr Ian White, Programme Leader, Medical Research Council Biostatistics Unit, Cambridge Institute of Public Health; Arlene McGuire, Specialist Pharmacist in Dermatology, Guy's and St Thomas' NHS Foundation Trust; BAD Therapy & Guidelines subcommittee; Giulia Zuodar, document editor, NGC; Andrew Brain, BAD Clinical Standards Administrator; all individuals and stakeholders who commented on the draft during the consultation period

Clinical Standards Unit
This is an updated guideline prepared for the British Association of Dermatologists (BAD) Clinical Standards Unit, which includes the Therapy & Guidelines subcommittee. Members of the Clinical Standards Unit who have been involved are P.M. McHenry (Chairman, Therapy & Guidelines subcommittee), K. Gibbon (BAD Assistant Honorary Secretary), D.A. Buckley, T.A. Leslie, E.C. Mallon, S. Wakelin, S. Ungureanu, R.Y.P. Hunasehally, M. Cork, G.A. Johnston, J. Natkunarajah, F.S. Worsnop, N. Chiang, G. Petrof, J. Donnelly (British National Formulary), C. Saunders (British Dermatological Nursing Group), A.G. Brain (BAD Scientific Administrator), L.S. Exton (BAD Information Scientist) and M.F. Mohd Mustapa (BAD Clinical Standards Manager).

The multidisciplinary guideline development group comprised medical specialists (consultants in dermatology, paediatric dermatology, rheumatology, virology and obstetric medicine), a clinical nurse specialist, dermatology trainees, two patient representatives and a research team providing technical and methodological support.

T.B., A.D.B., L.C.C., M.C., T.H., E.M., R.M., C.N.-P., C.M.O., R.P., E. Peleva, E. Pottinger, E.J.S., J.S., C.S., V.A.V. and R.B.W. contributed equally to this project and are listed alphabetically.

Funding sources
Development of this guideline has been funded independently by the British Association of Dermatologists. The work of C.H.S. was funded and supported by the National Institute for Health Research (NIHR) Biomedical Research Centre based at Guy's and St Thomas' NHS Foundation Trust and King's College London. Z.K.J.L. was supported by an NIHR Academic Clinical Fellowship during the development of this work. Z.Z.Y. is funded by an NIHR Doctoral Research Fellowship (reference number DRF-2015-08-089). The views expressed in this guidance are those of the authors and not necessarily those of the National Health Service, the NIHR or the Department of Health.