[1] Stanford Univ, Dept Biol, Stanford, CA 94305 USA
[2] Stanford Univ, Dept Bioengn, Stanford, CA 94305 USA
[3] Stanford Univ, Dept Surg, Div Gen Surg, Stanford, CA 94305 USA
[4] Stanford Univ, Ctr Artificial Intelligence Med & Imaging, Palo Alto, CA 94304 USA
[5] Stanford Univ Sch Med, Dept Pathol, Stanford, CA 94305 USA
[6] Stanford Univ, Dept Surg, Div Gen Surg, 300 Pasteur Dr,H3591, Stanford, CA 94305 USA