Received: 19 November 2018
Accepted: 3 February 2019
First Online: 1 June 2019
Ethics approval and consent to participate
: The study is a meta-analysis of published clinical trial data. No individual details are presented in the paper. No ethical approval is needed, and consent to participate is not applicable.
: Not applicable.
: S.W. is a speaker for Medivation, and X.Z. has no potential competing interest to declare.
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