Cao, Yangsen
Zhu, Xiaofei
Ju, Xiaoping
Liu, Yongming
Yu, Chunshan
Sun, Yongjian
Dai, Zhitao
Guo, Xueling
Zhang, Huojun
Funding for this research was provided by:
China Health Promotion Foundation (THC2015001)
Youth Fund of Changhai Hospital (CH201709)
Article History
Received: 11 September 2017
Accepted: 10 January 2018
First Online: 22 January 2018
Ethics approval and consent to participate
: The study was approved by the institutional review board of our hospital.
: The consents for publication of data have been obtained from patients.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.