1. Key
Laboratory of Ion Beam Bioengineering, Hefei Institutes of Physical
Science, Chinese Academy of Sciences and Anhui Province, Hefei, Anhui 230031, P. R. China
2. Jiangsu
Tripod Preclinical Research Laboratories, Pukou Economic Development Zone, 9# Xinglong Road, Nanjing, China
3. Hongqiao
International Institute of Medicine, Shanghai Tongren Hospital and
Faculty of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P. R. China
4. Center
for Radiological Research, Department of Radiation Oncology, College of Physicians and Surgeons, Columbia University, New York City, New York 10027, United States