W x y z

• Chris White

Centre for Health Analysis and Life Events
Office for National Statistics Government Buildings
Cardiff Road
Newport NP10 8XG
United Kingdom

Tel: +44 (0) 1633 455865 / Fax: +44 (0) 1633 652035
E-mail:chris.white@ons.gsi.gov.uk

• Ross Wilkie

Keele University
Primary Care Sciences Research Centre
Newcastle-under-Lyme
ST5 5BG
Stafforshire
United Kingdom

Tel: +44 178 25 83 927 / Fax: +44 178 25 83 911
E-mail: r.wilkie@cphc.keele.ac.uk