Supplemental material, sj-pdf-1-cre-10.1177_02692155211043267 for The effectiveness of pre- and post-operative rehabilitation for lung cancer: A systematic review and meta-analysis on postoperative pulmonary complications and length of hospital stay by Xinyi Xu, Denise Shuk Ting Cheung, Robert Smith, Agnes Yuen Kwan Lai and Chia-Chin Lin in Clinical Rehabilitation