1. Department of Haematology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital School of Medicine of University of Electronic Science and Technology of China No. 32, West Section 2, First Ring Road, Qingyang District Chengdu 610000 China
2. Institute of Communications Engineering & Department of Electrical Engineering National Tsing Hua University Hsinchu 30013 Taiwan
3. Sichuan Technology & Business College Chengdu 611800 China