CORRIGENDUM to "Sarcopenia and its Association With Change of Bone Mineral density and Functional Outcome in Old-Aged Hip Arthroplasty Patients"...Kweon S-H, Park J-S, Park BH. Sarcopenia and its association with change of bone mineral density and functional outcome in old-aged hip arthroplasty patients. Geriatric Orthopaedic Surgery & Rehabilitation. 2022;13:1-6