Yang, Guang
Ge, Yifei
Zha, Xiaoming
Mao, Huijuan
Wang, Ningning
Xing, Changying
Funding for this research was provided by:
the Clinical Medical Technology Special Incentive Fund of Jiangsu Province (BL2014080)
Article History
Received: 21 September 2018
Accepted: 3 January 2019
First Online: 28 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the First Affiliated Hospital of Nanjing Medical University Ethics Committee. All procedures performed in the study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. For this type of study formal consent is not required.