Yang, Zidan
Lei, Guanghua
Li, Xiaoxiao
Wang, Yilun
Xie, Zikun
Zhang, Xiurui
He, Yuchen
Xiong, Yilin
Yang, Tubao http://orcid.org/0000-0001-8762-1229
Funding for this research was provided by:
Key Research and Development Program of Hunan Province (2018SK2070, 2018SK2073)
National Natural Science Foundation of China (81601941, 81772413, 81702207, 81702206)
Postdoctoral Science Foundation of Central South University (182130)
Young Investigator Grant of Xiangya Hospital, Central South University (2016Q03, 2016Q06)
Xiangya Clinical Big Data System Construction Project of Central South University (45)
Clinical Scientific Research Foundation of Xiangya Hospital, Central South University (2015L03)
Natural Science Foundation of Hunan Province (2017JJ3491, 2017JJ3492)
Fundamental Research Funds for the Central Universities of Central South University (2019zzts747)
Article History
Received: 25 March 2019
Revised: 9 June 2019
Accepted: 1 July 2019
First Online: 20 July 2019
Compliance with ethical standards
: Ethical approval for all surveys were granted from the corresponding ethics committees: the Multicentre Research and Ethics Committee for ELSA, the Ethics Committee of the University of Mannheim for SHARE, the Seoul National University Hospital’s Institutional Review Board for KLoSA, and the ethics review boards of RAND and University of Gadjah Mada in Indonesia for IFLS. All participants provided written informed consent to participate in these surveys.
: None.