Is There a Role for Conservative Treatment for Large Curvatures in Patients With Adolescent Idiopathic Scoliosis?: Commentary on “The Effect of Brace Treatment on Large Curves of 40° to 55° in Adolescents With Idiopathic Scoliosis Who Have Avoided Surgery: A Retrospective Cohort Study” - Kenneth Cheung (Neurospine, 2021)