title: National Osteoporosis Society practical clinical guideline on vitamin D and bone health.
authors.affiliation: Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne NE2 2HH, United Kingdom. Electronic address: Roger.Francis@ncl.ac.uk.
authors.forename: R M
authors.initials: RM
authors.lastname: Francis
authors.affiliation: Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne NE2 2HH, United Kingdom; Musculoskeletal Unit, Freeman Hospital, Newcastle upon Tyne NE7 7DN, United Kingdom.
authors.forename: T J
authors.initials: TJ
authors.lastname: Aspray
authors.affiliation: National Osteoporosis Society, Bath BA2 0PJ, United Kingdom.
authors.forename: C E
authors.initials: CE
authors.lastname: Bowring
authors.affiliation: Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, United Kingdom.
authors.forename: W D
authors.initials: WD
authors.lastname: Fraser
authors.affiliation: Department of Medicine, University Hospitals Birmingham, NHS Foundation Trust, Birmingham B15 2TH, United Kingdom.
authors.forename: N J
authors.initials: NJ
authors.lastname: Gittoes
authors.affiliation: Oxford NIHR Musculoskeletal BRU, NDORMS, University of Oxford, Oxford OX3 7HE, United Kingdom.
authors.forename: M K
authors.initials: MK
authors.lastname: Javaid
authors.affiliation: Musculoskeletal Research, University of Aberdeen, Aberdeen AB25 2ZD, United Kingdom.
authors.forename: H M
authors.initials: HM
authors.lastname: Macdonald
authors.affiliation: Department of Rheumatology, Epsom and St. Helier University Hospital, Carshalton, Surrey SM5 3AA, United Kingdom.
authors.forename: S
authors.initials: S
authors.lastname: Patel
authors.affiliation: Institute of Human Development, University of Manchester and Department of Medicine, Manchester Royal Infirmary, Oxford Road, Manchester M13 9WL, United Kingdom.
authors.forename: P L
authors.initials: PL
authors.lastname: Selby
authors.affiliation: Womens Services & Arthritis Centre, London North West Healthcare NHS Trust, Harrow HA1 3UJ, Middlesex, United Kingdom.
authors.forename: N
authors.initials: N
authors.lastname: Tanna