1. Institut Teknologi Bandung,Faculty of Industrial Technology,Engineering Physics Department,Bandung,Indonesia
2. Hiroshima City University,Department of Biomedical Information Sciences,Hiroshima,Japan
3. Faculty of Industrial Technology, Institut Teknologi Bandung,Advance Functional Material Research Group,Bandung,Indonesia
4. Faculty of Industrial Technology, Institut Teknologi Bandung,Instrumentation and Control Research Group,Bandung,Indonesia