1. Central Laboratory, Department of Endocrinology, Second People's Hospital of Yunnan Province, Kunming, China.
2. Nuclear Medicine Department, Second Affiliated Hospital of Kunming Medical University, Kunming, China.
3. First Affiliated Hospital of Medical College, Shihezi University, Shihezi, China.
4. Cardiology Laboratory of Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.