[Liu, Haoquan; Zhao, Yunjie] Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan, Peoples R China.
[Zhao, Yunjie] Cent China Normal Univ, Inst Biophys, Dept Phys, Wuhan 430079, Peoples R China.
[Jian, Yiren] Dartmouth Coll, Hanover, NH USA.
[Hou, Jinxuan] Wuhan Univ, Dept Thyroid & Breast Surg, Zhongnan Hosp, Wuhan, Peoples R China.
[Zeng, Chen] Washington Univ, Dept Phys George, St Louis, MO USA.