1. State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
2. Department of Chemistry, Tunghai University, Taichung 40704, Taiwan
3. Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
4. Department of Physics and Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Sciences, Tianjin University, Tianjin 300354, China
5. Department of Electrical and Computer Engineering, University of Cyprus, Nicosia 1678, Cyprus