Georg Schmorl Prize of the German Spine Society (DWG) 2023: the influence of sarcopenia and paraspinal muscle composition on patient-reported outcomes: a prospective investigation of lumbar spinal fusion patients with 12-month follow-up. - Haffer, Henryk; Muellner, Maximilian; Chiapparelli, Erika; Dodo, Yusuke; Camino-Willhuber, Gaston; Zhu, Jiaqi; Tan, Ek T.; Pumberger, Matthias; Shue, Jennifer; Sama, Andrew A.; Cammisa, Frank P.; Girardi, Federico P.; et al. (European Spine Journal, 2024)