1. School of Physics and Astronomy, Sun Yat-sen University, Zhuhai, China
2. Institute of Modern Physics, Chinese Academy of Sciences Lanzhou, China
3. DEFIS, Universidade Federal de Ouro Preto, Ouro Preto, MG, Brazil
4. Institut Denis Poisson, Tours University – Orléans University, UMR 7013, Orléans, France