[1] Maastricht Univ, MERLN Inst Technol Inspired Regenerat Med, Dept Cell Biol Inspired Tissue Engn, Maastricht, Netherlands
[2] Univ Calif San Diego, Dept Mech & Aerosp Engn, La Jolla, CA 92093 USA
[3] Katholieke Univ Leuven, Dept Mech Engn, Biomech Sect, Leuven, Belgium
[4] Univ Calif San Diego, Dept Bioengn, La Jolla, CA 92093 USA