title: Investigating fractal property and respiratory modulation of human heartbeat time series using empirical mode decomposition.
authors.affiliation: Department of Mechanical Engineering, Yuan Ze University, 135 Yuan-Tung Rd., Chung-Li, Taoyuan, Taiwan.
authors.forename: Jia-Rong
authors.initials: JR
authors.lastname: Yeh
authors.forename: Wei-Zen
authors.initials: WZ
authors.lastname: Sun
authors.forename: Jiann-Shing
authors.initials: JS
authors.lastname: Shieh
authors.forename: Norden E
authors.initials: NE
authors.lastname: Huang