Acknowledgements & Disclaimer


We would like to thank the Lister Institute of Preventive Medicine for financial support for the 2021 update.

The following people worked on the 2021 update:
  • Victoria A. Harris, UCL, London
  • Weining Lin, UCL, London
  • Dr Pavithra Rallapalli, UCL, London
  • Prof Stephen J. Perkins, UCL, London


We would like to thank the Medical Research Council and the Wellcome Trust for financial support for the 2003 project.

The following people worked on the 2003 project and the 2009 update:
  • Dr Rebecca E. Saunders, UCL, London
  • Dr Nuha Shiltagh, UCL, London
  • Prof Stephen J. Perkins, UCL, London
  • Dr Keith Gomez, Royal Free Hospital, London
  • Gillian Mellars, Royal Free Hospital, London
  • Carolyn Cooper, Addenbrookes Hospital, Cambridge
  • Prof Edward G. Tuddenham, Royal Free Hospital, London
  • Dr Niamh M. O'Connell, Royal Free Hospital, London
  • Dr David J. Perry, Addenbrookes Hospital, Cambridge
  • Prof Christine A. Lee, Royal Free Hospital, London



THIS CODE AND COLLECTION OF DATA ARE COPYRIGHT © 2003 UNIVERSITY COLLEGE LONDON AND MAY NOT BE DISTRIBUTED, SHARED OR OTHERWISE MADE AVAILABLE TO THIRD PARTIES WITHOUT THE EXPRESS PERMISSION OF THE AUTHOR, PROF S. J. PERKINS.

IN NO EVENT SHALL THE AUTHOR OR ANY INSTITUTION IN WHICH HE IS WORKING (INCLUDING, BUT NOT LIMITED TO, UNIVERSITY COLLEGE LONDON), BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF ANY DATA, SOFTWARE OR ITS DOCUMENTATION, PRODUCED BY THE AUTHOR OR ANY OTHER PARTIES WORKING FOR OR WITH THE AUTHOR, EVEN IF THE AUTHOR OR ASSOCIATED PARTIES HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .

THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ALL DATA AND SOFTWARE ARE PROVIDED ON AN AS-IS BASIS, AND THE AUTHOR HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS OR MODIFICATIONS.

Factor XI Variant Database