Correction to: BMC Urology (2021) 21:166

Following publication of the original article [1], the authors would like to correct the affiliation information for authors. It has been corrected in this correction.

  1. 1.

    Department of Urology, Beijing Boai Hospital, China Rehabilitation Research Centre; School of Rehabilitation of Capital Medical University; No10. Jiaomen Beilu, Fengtai District, Beijing 100068, China.

  2. 2.

    “Department of Urology of Capital Medical University, Beijing 100068, China”, should be removed.

The original article [1] has been corrected.