1. Department Teknik Elektro, Universitas Negeri Padang, Padang 20506, Indonesia
2. College of Engineering, Department of Electrical Engineering, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia
3. Department of Energy, Universidad de la Costa, Barranquilla 080002, Colombia
4. Department of Doctoral Program, Faculty Economic and Business, Universitas Sumatera Utara, Medan 20222, Indonesia
5. Department of Mechanical Engineering, Eastern Mediterranean University, TRNC, Via Mersin 10, Famagusta 99628, Turkey
6. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan