ner_tags: O O B-Person I-Person O O O O B-Instrument O O O O O O O O O O O B-Organization I-Organization I-Organization O O O B-Grant B-Organization B-Event I-Event I-Event I-Event I-Event I-Event B-Person O O O O O O B-Fellowship I-Fellowship I-Fellowship O O B-Grant I-Grant I-Grant I-Grant B-Grant O O O B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization I-Organization O B-Organization I-Organization I-Organization I-Organization B-Person O O O O O B-Organization I-Organization I-Organization O O O O O B-Fellowship I-Fellowship B-Fellowship B-Person O O B-Organization I-Organization I-Organization O B-Grant I-Grant I-Grant I-Grant O O O O
tokens: We thank C. Steidel for providing a reduced HIRES/Keck quasar spectrum. This material is based upon work supported by the National Science Foundation under grant No. 1210200 (NSF East Asia and Pacific Summer Institutes). N.M.N. was also partially supported through an NMSGC Graduate Fellowship and a Graduate Research Enhancement Grant (GREG) sponsored by the Office of the Vice President for Research at New Mexico State University. G.G.K. acknowledges the support of the Australian Research Council through the award of a Future Fellowship (FT140100933). M.T.M. thanks the Australian Research Council for Discovery Project grant DP130100568, which supported this work.