tokens: We thank Mark Reid for pointing out the large amount of high-mass clumps that would be required to account for the global Galactic HCN and IR luminosities. This work was supported by NASA grant NNX12AE42G and NSF grant AST-1211844. A.E.G. acknowledges support from FONDECYT grant 3150570. This research made use of APLpy, an open-source plotting package for Python hosted at http://aplpy.github.com .
ner_tags: O O B-Person I-Person O O O O O O O O O O O O O O O O O O B-CelestialObject O O B-Wavelength O O O O O O B-Organization B-Grant I-Grant O B-Organization B-Grant I-Grant B-Person O O O B-Organization B-Grant I-Grant O O O O O B-Software O O O O O B-Software O O B-URL O