1. Advanced Lightning, Power and Energy Research Centre (ALPER), Universiti Putra Malaysia, Serdang, Selangor, Malaysia
2. Advanced Lightning, Power and Energy Research Centre (ALPER) and the Institute of Nanoscience and Nanotechnology (ION2), Universiti Putra Malaysia, Serdang, Selangor, Malaysia
3. Department of Electrical and Electronic Engineering, Kyushu Institute of Technology, Kitakyushu-shi, Fukuoka, Japan
4. School of Electrical and Electronic Engineering, Universiti Sains Malaysia, Nibong Tebal, Penang, Malaysia
5. Hyrax Oil Sdn. Bhd, Klang, Selangor, Malaysia