1. Department of Clinical Laboratory, Liaocheng People’s Hospital, Liaocheng, PR China
2. Department of Neurology First Ward, Liaocheng Veterans Hospital, Liaocheng, PR China
3. Department of Stomatology, Liaocheng People’s Hospital, Liaocheng, PR China
4. Department of Central Laboratory, Liaocheng People’s Hospital, Medical College of Liaocheng University, Liaocheng, PR China