Sun, Ziyang
Fan, Cunyi
Article History
Received: 27 February 2018
Accepted: 7 August 2018
First Online: 21 August 2018
Ethics approval and consent to participate
: The Ethics Committee of Shanghai Jiao Tong University Affiliated Sixth People’s Hospital concluded that no approval is necessary for study based on its retrospective design. Data were analyzed anonymously; all patients approved the results of this study by oral consent. The oral consent approval was documented in the patients’ files. This was approved by the Ethics Committee of Shanghai Jiao Tong University Affiliated Sixth People’s Hospital. All clinical investigations were conducted in accordance with the guidelines of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
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