LAUSR

College of Basic Medical Sciences, Key Laboratory for Clinical Biochemistry Test of High Education in Yunnan Province, Dali University, Dali 671000, China, Department of Basic Medical Sciences and Forensic Medicine, Hangzhou Medical College, Hangzhou 310053, China, Department of Reproductive Medicine, The First Affiliated Hospital of Dali University, Dali 671000, China, School of Life Sciences, Yunnan University, Kunming 650091, China Contributions: (I) Conception and design: W Wang, S Li, J Zi, W Xiong; (II) Administrative support: M Yu; (III) Provision of study materials or patients: M Sun, W Mei, R Zhang; (IV) Collection and assembly of data: W Wang, S Li, N Yang, W Xiong; (V) Data analysis and interpretation: S Li, W Wang, M Sun, M Yu, W Xiong; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors. These authors contributed equally to this work. Correspondence to: Wei Xiong. College of Basic Medical Sciences, Dali University, 02 Hongsheng Road, Dali 671000, China. Email: [email protected]; Min Yu. School of Life Sciences, Yunnan University, 02 Cuihu Road, Kunming 650091, China. Email: [email protected].