[Pan, Yongping;Yu, Haoyong] Natl Univ Singapore, Sch Biomed Engn, Singapore 117583, Singapore.^[Sun, Tairen] Jiangsu Univ, Sch Elect & Informat Engn, Zhenjiang 212013, Peoples R China.^[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.