title: Editorial.
authors.affiliation: Aizu Research Cluster for Medical Engineering and Informatics, Center for Advanced Information Science and Technology, The University of Aizu, Aizuwakamatsu, Fukushima 965-8580, Japan. Electronic address: tdpham@u-aizu.ac.jp.
authors.forename: Tuan D
authors.initials: TD
authors.lastname: Pham
authors.affiliation: Department of Mathematics and Computer Science, University of Münster, Einsteinstrasse 62, D-48149 Münster, Germany. Electronic address: xjiang@uni-muenster.de.
authors.forename: Xiaoyi
authors.initials: X
authors.lastname: Jiang
mesh_terms: D001698:Biomedical Engineering; D006801:Humans; D048088:Informatics