1. Universiti Teknologi PETRONAS,Department of Electrical and Electronics Engineering,Seri Iskandar,Perak Darul Ridzuan,Malaysia,32610
2. Universitas Muhammadiyah Surakarta,Electrical Engineering Department,Kartosuro,Indonesia
3. University of Technology Sydney,School of Biomedical Engineering,Ultimo,Australia,2007
4. King Fahd University of Petroleum and Minerals,Aerospace Engineering Department,Dhahran,Saudi Arabia,31261