1Reproductive Medical Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
2Reproductive Medical Center, Beijing Chao Yang Hospital, Capital Medical University, Beijing, China
3Health Examination Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
4Department of Environmental Health Sciences, University at Albany, State University of New York, NY
5Pediatric Department, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
Address correspondence to: Dongzi Yang, MD, PhD, and Xiaoli Chen, MD, PhD, Reproductive Medical Center, Sun Yat-Sen Memorial hospital, Sun Yat-Sen university, Guangzhou 510120, China. E-mails: [email protected]; [email protected]
Received 25 February, 2019
Revised 15 April, 2019
Accepted 15 April, 2019
Authors’ contributions: HH and JG participated in the project conception, data collection, data analysis, and manuscript writing/editing. XTC and QC participated in the data collection and data analysis. YY and YL were involved in blood sample testing. XLC and WZ were involved in statistical analysis of the results and revision of the paper. DY (the supervisor of the project) participated in the project conception, manuscript writing/editing, and revision of the article. All authors saw and approved the final version.
Funding/support: The study was supported by 2012 Chinese Nutrition Society (CNS) Nutrition Research Foundation—DSM Research Fund (CNS2014048B); the National Natural Science Youth Fund (81703784); Guangdong science and technology program (2016A020216011).
Financial disclosure/conflicts of interest: None reported.
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