Does Patella Alta Influence Trochlear Morphology in Pediatric Patients with Cerebral Palsy? Associations with Age and Functional Status. - Beltrame G; Nian PP; Beber SA; Gu Z; Crippa M; Simpson SK; Waraich M; Selber PRP; Green DW (HSS journal : the musculoskeletal journal of Hospital for Special Surgery, 2026)