1. Universitas Gadjah Mada,Department of Electrical and Information Technology,Yogyakarta,Indonesia
2. Universiti Teknologi Malaysia,Faculty of Electrical Engineering,Johor Bahru,Malaysia
3. Institut Teknologi Telkom Purwokerto,Faculty of Telecommunication and Electrical Engineering,Purwokerto,Indonesia
4. Universitas Brawijaya,Department of Electrical Engineering,Malang,Indonesia