Funding for this research was provided by:
Tianjin Finance Bureau and Tianjin Key Programs for Science and Technology Development in Health Industry (No.13KG118)
Text and Data Mining valid from 2018-09-04
Received: 9 January 2018
Accepted: 13 August 2018
First Online: 4 September 2018
Ethics approval and consent to participate
: The study protocol was approved by the medical ethics committee of Tianjin Anding Hospital. All participants need to sign informed consent about the content and extent of the planned study prior to the participations. The patients’ guardians will sign the informed consent on behalf of the participants when the capacity of participants to consent is compromised.
: Not applicable.
: The authors declare that they have no competing interests.
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