Bone metabolism in Chinese patients after laparoscopic Roux-en-Y gastric bypass

Department of Bariatric and Metabolic Surgery, Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China; Institute of BioMedical Informatics, College of Medicine, University of Kentucky, Lexington, KY 40536-0082, USA Contributions: (I) Conception and design: C Wang, P Zhang, J Di, J Chen; (II) Administrative support: J Zou, Z Shi, P Zhang, J Di; (III) Provision of study materials or patients: C Wang, T Xu; (IV) Collection and assembly of data: C Wang, H Zhang; (V) Data analysis and interpretation: C Wang, H Zhang; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors. These authors contributed equally to this work. Correspondence to: Jianzhong Di. Department of Bariatric and Metabolic Surgery, Shanghai Jiao Tong University affiliated Sixth People’s Hospital, 600 Yishan Road, Shanghai 200233, China. Email: dijianzhong@sjtu.edu.cn.