Corrigendum: Comparison of Clinical Outcomes Following Lumbar Endoscopic Unilateral Laminotomy Bilateral Decompression and Minimally Invasive Transforaminal Lumbar Interbody Fusion for One-Level Lumbar Spinal Stenosis With Degenerative Spondylolisthesis - Hua, Wenbin; Wang, Bingjin; Ke, Wencan; Xiang, Qian; Wu, Xinghuo; Zhang, Yukun; Li, Shuai; Yang, Shuhua; Wu, Qiang; Yang, Cao (Frontiers in Surgery, 2021)