[1] Carnegie Mellon Univ, Dept Mech Engn, Pittsburgh, PA 15213 USA
[2] Carnegie Mellon Univ, Dept Biomed Engn, Pittsburgh, PA 15213 USA
[3] Carnegie Mellon Univ, Dept Computat Biol & Biol Sci, Pittsburgh, PA 15213 USA
[4] Nelson Mandela African Inst Sci & Technol, Sch Life Sci & Bioengn, Kijenge, Arusha, Tanzania
[5] Natl Tsing Hua Univ, Inst Nanoengn & Microsyst, Hsinchu 300, Taiwan
[6] Univ Aveiro, Ctr Mech Technol & Automat, Dept Mech Engn, Nanotechnol Res Div, Aveiro, Portugal
[7] Pontificia Univ Catolica Santiago Chile, Dept Ingn Mecan & Met, Santiago, Chile
[8] Univ Queensland, Australian Inst Bioengn & Nanotechnol, Ctr Biomol Engn, St Lucia, Qld 4072, Australia