[1] WASHINGTON UNIV, SCH ENGN & APPL SCI, DEPT MECH & AEROSP ENGN, BIOMED ENGN, ST LOUIS, MO 63130 USA
[2] UNIV CALIF, CTR HLTH SCI, LOS ANGELES COUNTY CARDIOVASC RES LAB, LOS ANGELES, CA 90024 USA
[3] UNIV CALIF, DEPT PHYSIOL, LOS ANGELES, CA 90024 USA