1. Department of Stomatology, Central Hospital Affiliated to Shandong First Medical University , Jinan, Shandong 250000 , China
2. Department of Endocrinology, Central Hospital Affiliated to Shandong First Medical University , Jinan, Shandong 250000 , China
3. Department of Central Laboratory, School and Hospital of Stomatology, Provincial Key Laboratory of Oral Disease, China Medical University , Shenyang, Liaoning 110002 , China
4. Department of Oral Biology, School and Hospital of Stomatology, Liaoning Provincial Key Laboratory of Oral Disease, China Medical University , Shenyang, Liaoning 110002 , China