1. State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, P.R. China
2. Department of Army Occupational Disease, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
3. Department of CT/MRI, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China