1. Department of Endocrinology and Metabolism, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
2. Department of Endocrinology and Metabolism, SSL Central Hospital of Dongguan City, Dongguan 523326, China
3. Xiangya Nursing School, Central South University, Changsha 410013, China
4. Tulane Center for Biomedical Informatics and Genomics, Deming Department of Medicine, School of Medicine, Tulane University, New Orleans, LA 70112, USA
5. Department of Endocrinology and metabolism, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou 510330, China
6. School of Basic Medical Sciences, Central South University, Changsha 410000, China