автор: Mark Petticrew

Mark Petticrew is an associate director of the MRC Social and Public Health Sciences Unit at the University of Glasgow, Co-ordinator of the ESRC Centre for Evidence-Based Public Health Policy, and has written widely on systematic reviews. Helen Roberts is a social scientist, and professor of Child Health at City University, where she leads the Child Health Research and Policy Unit. Until 2001 she was Head of R&D at Barnardos. Her most recent book is What Works for Children (ed) with Di Mc Neish and Tony Newman.