1. Department of Pharmacy, The Fifth People's Hospital of Jinan, Jinan, Shandong 250022, P.R. China
2. Department of Clinical Laboratory, The Fifth People's Hospital of Jinan, Jinan, Shandong 250022, P.R. China
3. Department of Endocrinology, The Fifth People's Hospital of Jinan, Jinan, Shandong 250022, P.R. China
4. Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250022, P.R. China
5. Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250013, P.R. China