Text and Data Mining valid from 2018-05-21
Received: 1 January 2018
Accepted: 10 May 2018
First Online: 21 May 2018
Ethics approval and consent to participate
: The present study was approved by the ethics committee of Fujian Medical University, China, and adhered to the Declaration of Helsinki. Additionally, written informed consent was acquired from the patients or the patient’s relatives.
: All authors read and approved the final manuscript for publication.
: The authors declare that they have no competing interests.
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