1 Department of Ultrasound, The Second Affiliated Hospital of Fujian Medical University, Quanzhou City, Fujian Province, 362000, China. Electronic address: ultrosound@hotmail.com.
2 Department of General Practice of the Second Affiliated Hospital of Fujian Medical University, Quanzhou City, Fujian Province, 362000, China.
3 Department of Endocrinology of the Second Affiliated Hospital of Fujian Medical University, Quanzhou City, Fujian Province, 362000, China.