Reply to Chen et al.

We write to express our concerns over the recently published paper by Chen I et al. i , "Outcomes in kidney transplantation with mycophenolate mofetil-based maintenance immunosuppression in China: a large-sample retrospective analysis of a national database" and request details of the kidney procurement process in DCD or DCBD donors in relation to the short WIT" ( I Transplant International i 2020, https://doi.org/10.1111/tri.13566). The authors report that the mean donor age of the DCD donors was 39 years, that of the DBCD donors was 34.8 years, and the mean age for all deceased donors was 37.0 years. Expansion of the kidney donor pool by using cardiac death donors with prolonged time to cardio- respiratory arrest. [Extracted from the article]