title: Battle hardened.
authors.affiliation: Department of Biomedical Engineering, Columbia University.
authors.forename: Zen
authors.initials: Z
authors.lastname: Liu
mesh_terms: D001698:Biomedical Engineering / Q000193:education*; D004500:Education, Graduate; D006801:Humans; D013334:Students / Q000523:psychology*; D014495:Universities