1. School of Control Science and Engineering, Shandong University, Jinan, China
2. The Second Hospital, Cheeloo College of Medicine, Shandong University, No. 247 Beiyuan Street, Jinan, Shandong, China
3. Collaborative Innovation Center of Light Manipulations and Applications in Universities of Shandong, School of Physics and Electronics, Shandong Normal University, Jinan, P.R. China
4. Shandong Center for Disease Control and Prevention, Jinan, China