Psychosocial measure are collected through researcher
administered questionnaires to children. Quality of life is
measured using the Pediatric Quality of Life Inventory
(PedsQL) [31]; social acceptance is measured using the
relevant domain from the Kidscreen-52 health questionnaire
for children and young people [32] and body image
is assessed using the Children’s Body Image Scale [33]. The pediatric preference-based utility instrument, Child
Health Utility 9D [34] is also completed to inform the
economic evaluation.