1. Institute of Pathology and Physiopathology, College of Basic Medical Sciences, China Medical University, Shenyang 110001, PR China
2. Department of Medical Microbiology and Parasitology, College of Basic Medical Sciences, China Medical University, Shenyang 110001, PR China
3. Department of Endocrinology, 1st Affiliated Hospital of China Medical University, Shenyang 110001, PR China
4. Seven Year System, China Medical University, Shenyang 110001, PR China