Angela Boland has worked at LRiG (Liverpool Reviews and Implementation Group) since it was established in 2001 and has carried out many systematic reviews of both  clinical effectiveness and cost effectiveness of health care interventions. Gemma Cherry is a Lecturer in Clinical Health Psychology at the University of Liverpool and an honorary clinical psychologist (oncology) at Royal Liverpool University Hospital. Prior to qualifying as a clinical psychologist, she worked at LRiG for several years, conducting systematic reviews, particularly in the field of psychology.  Rumona Dickson has been involved in the conduct of systematic reviews in health care for over 20 years and has been the Director of LRiG since 2001.