1. Department of Biomedical Engineering, Faculty of Intelligent Electrical and Informatics Technology, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
2. Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
3. Department of Physics, Faculty of Science, Universitas Sebelas Maret, Surakarta, Indonesia
4. Department of Electrical Engineering and Informatics, Faculty of Engineering, Universitas Negeri Malang, Malang, Indonesia