1. Department of Radiation Oncology, Zhengzhou University People’s Hospital & Henan Provincial People’s Hospital Henan, 450003 Zhengzhou, PR China
2. Department of Haematology, Zhengzhou University People’s Hospital & Henan Provincial People’s Hospital Henan, 450003 Zhengzhou, PR China
3. Department of Epidemiology & Biostatistics, College of Public Health, Zhengzhou University, 450001 Zhengzhou, Henan, PR China
4. Department of Internal Medicine, Tianjin Medical University, 300070 Tianjin, PR China
5. Department of Internal Medicine, University of Ghana Medical School, KB 77 Korle Bu, Accra, Ghana
6. Department of Pharmacy, Zhengzhou University, 450001 Zhengzhou, Henan, PR China