Mr Jon Johnson

Centre for Longitudinal Studies
Institute of Education University of London
20 Bedford Way
London
WC1H 0AL

Tel: 020 7612 6571

Dr Susan Ring

Head of ALSPAC Laboratory
Department of Social Medicine
University of Bristol
Oakfield House
Oakfiled Grove
Bristol
BS8 2BN

Tel: 0117 331 0070

Neil Walker

Head of Data Services
University of Cambridge
JDRF/WT Diabetes and Inflammation Laboratory Cambridge Institute for Medical Research Wellcome Trust/MRC Building
Addenbrooke's Hospital
Cambridge
CB2 0XY

Tel: 01223 763 210