1. Reproductive Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
2. Department of Laboratory Medicine, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
3. Henan Provincial Chest Hospital, Zhengzhou, Henan, China
4. Department of Laboratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China