Shi, Jijun http://orcid.org/0000-0003-3852-3993
Liu, Yuanyuan
Liu, Yiteng
Liu, Huihui
Xu, Jiaping
Zhang, Xia
You, Shoujiang
Cao, Yongjun
Article History
Received: 4 August 2018
Revised: 22 September 2018
Accepted: 10 October 2018
First Online: 17 October 2018
Compliance with Ethical Standards
: The study protocol was approved by the Ethics Committee of the Second Affiliated Hospital of Soochow University and performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Informed consent was obtained from all the participants or from their caregivers.
: The authors declare that they have no conflict of interest.