Received: 19 June 2018
Accepted: 17 January 2019
First Online: 1 February 2019
Ethics approval and consent to participate
: The Ethics Committee (IRB00009803, ExternalRef removed) of the Shanghai Clinical Research Center (IORG0008177, ExternalRef removed) reviewed and approved the design and execution of our study (Submission Number2018-08-01) (ExternalRef removed). The committee waived the need for individual consent to participate on the basis of the research being a retrospective observational study with unidentified data.
: The requirement for individual consent to publish was waived by the reviewing ethics committee, under the framework of retrospective audit of clinical records. All data in the study are de-identified, and none of the authors of the manuscript had access to any information that could be used to identify individual participants or their treating center during or after data collection.
: Haiming Li and Qiang Yao are fulltime employees of Baxter Healthcare (China) Ltd. Mark R Marshall is a fulltime employee of Baxter Healthcare (Asia-Pacific) Ltd., a part-time employee of University of Auckland (New Zealand) as an adjunct Associate Professor, and a part-time employee of Counties Manukau Health (New Zealand) as a clinical nephrologist. No other researcher has any potential conflicts of interest to declare.
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