Donna M Berry1, Rulan S Parekh2, Meredith S Irwin3. 1. Program manager, research operations, Hospital for Sick Children, Toronto, Ont. 2. Staff physician, associate chief of clinical research, Research Institute, Hospital for Sick Children, Toronto, Ont. 3. Staff oncologist, associate chair of research, Department of Paediatrics, Hospital for Sick Children, Toronto, Ont.