“…This study was informed by Meleis () seminal theory on transition, which recognises that transition in health care involves multiple concurrent transitions for AYAs. The US Society of Pediatric Nurses refers to: “comprehensive services based upon an interdisciplinary framework of care that addresses the biopsychosocial needs of early adolescents (11–15 years of age), late adolescents (16–18 years of age), and emerging adults (18–25 years of age)” (Betz, , p. 161). Successful transition requires a person‐centred, developmental, psychosocial, flexible, multidisciplinary, coordinated approach (Mazur, Dembinski, Schrier, Hadjipanayis, & Michaud, ; National Institute for Health & Care Excellence, 2).…”