1. Hertsmere Community Mental Health Team; Hertfordshire Partnership Foundation Trust; Borehamwood; UK
2. Child and Adolescent Mental Health Service, Department of Child Health; Royal Free London NHS Foundation Trust; London; UK
3. Department of Psychosocial and Family Services; Great Ormond Street Hospital for Children NHS Foundation Trust; London; UK
4. School of Life and Medical Sciences; University of Hertfordshire; Hatfield; UK