1. National Center for Space Weather; China Meteorology Administration; Beijing China
2. Chinese Academy of Meteorological Science; Graduate University of Chinese Academy of Science; Beijing China
3. Department of Physics; Royal Military College of Canada; Kingston, Ontario Canada
4. Department of Geophysics and Geomatics; China University of Geoscience; Wuhan China
5. Department of Mathematics and Information Engineering; Puyang Vocational and Technical College; Puyang, HeNan China