[Pan, Yongping;Yu, Haoyong] Natl Univ Singapore, Dept Biomed Engn, Singapore 117583, Singapore.^[Pan, Lin] Univ Luxembourg, Interdisciplinary Ctr Secur Reliabil & Trust, Luxembourg, Luxembourg.^[Pan, Lin] Wuhan Polytech Univ, Sch Elect & Elect Engn, Wuhan 430023, Peoples R China.^[Darouach, Mohamed] Univ Lorraine, Res Ctr Automat Control Nancy CRAN, CNRS, UMR 7039, Nancy, France.