Comments on 'Does smoking cessation increase risk of knee replacement? A general population-based cohort study' by G. Lei and Y. Zhang et al

Affiliations

• ¹ School of Medicine, Chung Shan Medical University, Taichung, Taiwan. Electronic address: s0501055@gm.csmu.edu.tw.
• ² Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan; Department of Orthopedic Surgery, Chung Shan Medical University Hospital, Taichung, Taiwan. Electronic address: ic40249@ms34.hinet.net.
• ³ Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan; Department of Allergy, Immunology and Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan; Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan. Electronic address: jccwei@gmail.com.