1. State Key Laboratory of Performance Monitoring and Protecting of Rail Transit Infrastructure, East China Jiaotong University, Nanchang, China
2. State Grid Jiangxi Electric Power Research Institute, Nanchang, China
3. Department of Higher Mathematics, Bauman Moscow State Technical University, Moscow, Russia
4. Indian Institute of Geomagnetism, Navi Mumbai, India
5. School of Chemistry and Physics, Queensland University of Technology (QUT), Brisbane, QLD, Australia