1. Shenzhen Research Institute of Central South University, Shenzhen, China and Central South University, HNP-LAMA, School of Mathematics and Statistics, Changsha, China..
2. Central South University, HNP-LAMA, School of Mathematics and Statistics, Changsha, China and Jiangxi College of Applied Technology, Ganzhou, China..
3. Jiangxi College of Applied Technology, Ganzhou, China and Ministry of Natural Resources, Key Laboratory of Ionic Rare Earth Resources and Environment, Ganzhou, China..
4. Central South University, School of Geosciences and Info-physics, Changsha, China..
5. China University of Mining and Technology, School of Resources and Geosciences, Xuzhou, China..
6. The Chinese University of Hong Kong, School of Science and Engineering, Shenzhen, China..