Cai, Jiali
Liu, Lanlan
Xu, Yingpei
Liu, Zhenfang
Jiang, Xiaoming
Li, Ping
Sha, Aiguo
Ren, Jianzhi http://orcid.org/0000-0003-1735-8941
Funding for this research was provided by:
National Natural Science Foundation of China (81302454)
Science and Technology Project funding in Xiamen City (3502Z20144039)
Natural Science Foundation of Fujian Province (2016D025)
Article History
Received: 15 March 2018
Accepted: 29 May 2018
First Online: 13 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Institutional Review Board approval for this retrospective study was obtained from the Ethical Committee of the Medical College Xiamen University. This paper does not contain any studies with human participants performed by any of the authors. As a retrospective research, the study was in accordance with the 1964 Helsinki Declaration and its later amendments ethical standards.
: For this type of study formal consent is not required. Informed consents were not required by the Institutional Ethical Review Board.