1 Institute of Biomedical Engineering and Informatics, Technische Universi tatIlmenau, 98693, Ilmenau, Germany. 2 Department of Clinical Science and Engineering, Universiti Teknologi Malaysia, Skudai UTM, Malaysia. 3 Center for Biomedical Engineering, Universiti Teknologi Malaysia, Skudai UTM, Malaysia. 4 Department of Clinical Science and Engineering, Universiti Teknologi Malaysia, Skudai UTM,...