1. Research Center for Pharmacology & Toxicology, Institute of Medicinal Plant Development; Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing 100193 China
2. China Astronaut Research and Training Center; Beijing 100094 China
3. Outpatient Department of PLA 306th Hospital; Aerospace Town Branch; Beijing 100193 China
4. Beijing Institute of Radiation Medicine; Beijing 100850 China