supplementary material(3) MONITOR(3) was used(3) Treatment(3) cause(3) Clinical outcome(3) patient reported(3) Pain(3) Care(3) Core outcome set(3) plethora(3) ASD(3) increase(3) classification(3) accelerate(3) Pulmonary function(3) DelPhi(3) Society(3) clinician(3) Adult spinal deformity(3) reported(3) Efficacy(3) reached(3) Prevalence(3) the timing(3) Patient-reported outcomes(3) starting point(3) back pain(3) spine(3) Result(3)