Funding for this research was provided by:
Ministry of Science and Technology of the People's Republic of China (2011CB512112)
National Natural Science Foundation of China (81170730)
Ministry of Health of the People's Republic of China (201002002)
Department of Science and Technology, Liaoning Province government (2011225023, 2012225020)
the Guanghua Science and Technology Foundation of China (2007-02)
the Research Foundation of Key Laboratory of Endocrine Diseases, Department of Science and Technology, Shenyang Government, Liaoning Province, China (F11-244-1-00)
the Research Foundation innovative team from the Advanced Educational Institute (LT 2012015)
the Twelve-Five Science and Technology Support Program (No2014BAI06B02)
the important platform of science and technology for the universities in Liaoning Province (16010)
Text and Data Mining valid from 2019-07-01
Received: 11 December 2018
Accepted: 4 June 2019
First Online: 1 July 2019
Compliance with ethical standards
: The authors have no potential conflict of interest to declare.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of China Medical University and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Medical Ethics Committee of China Medical University.
: Informed consent was obtained from all individual participants included in the study.