* Corresponding authors

^a Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
E-mail: cli@mdanderson.org
Fax: +1 713-794-5456
Tel: +1 713-792-5182

^b The Second Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, China

^c Department of Nuclear Medicine, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200127, China

^d Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA

^e Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA

^f Department of Nanomedicine, The Methodist Hospital System Research Institute, Houston, TX 77030, USA