tokens: We warmly thank the German ALMA ARC node for their excellent support for this project and R. Somerville for providing the information on the simulation predictions for our redshift range of interest. We also thank the referee for constructive comments. E.S. acknowledges fruitful discussions with R. Somerville, R. Feldmann, N.Z. Scoville, N. Bouché, and C. de Breuck that helped to significantly focus the paper. B.G. gratefully acknowledges the support of the Australian Research Council as the recipient of a Future Fellowship (FT140101202). A.K. acknowledges support by the Collaborative Research Council 956, sub-project A1, funded by the Deutsche Forschungsgemeinschaft (DFG). Support for B.M. was provided by the DFG priority program 1573 “The physics of the interstellar medium.” V.S. acknowledges funding from the European Union’s Seventh Framework program under grant agreement 337595 (ERC Starting Grant, “CoSMass”). This paper makes use of the following ALMA data: ADS/JAO.ALMA#2013.1.00151.S. ALMA is a partnership of ESO (representing its member states), NSF (USA), and NINS (Japan), together with NRC (Canada), NSC, and ASIAA (Taiwan), and KASI (Republic of Korea), in cooperation with the Republic of Chile. The Joint ALMA Observatory is operated by ESO, AUI/NRAO, and NAOJ. Based on data obtained with the European Southern Observatory Very Large Telescope, Paranal, Chile, under Large Program 185.A-0791. Facility: ALMA.
ner_tags: O O O O B-Location B-Observatory B-Organization O O O O O O O O O B-Person I-Person O O O O O O O O O O O O O O O O O O O O O O B-Person O O O O B-Person I-Person B-Person I-Person B-Person I-Person B-Person I-Person O B-Person I-Person I-Person O O O O O O O B-Person O 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 O O B-Grant I-Grant I-Grant I-Grant I-Grant I-Grant O O O B-Organization I-Organization B-Organization O O B-Person O O O O B-Organization B-Grant I-Grant I-Grant I-Grant I-Grant I-Grant I-Grant I-Grant I-Grant B-Person O O O O B-Location I-Location B-Grant I-Grant I-Grant O B-Grant I-Grant I-Grant B-Organization B-Grant I-Grant I-Grant O O O O O O O B-Observatory O B-Identifier B-Observatory O O O O B-Observatory O O O O B-Organization B-Location O B-Organization B-Location O O B-Organization B-Location B-Organization O B-Organization B-Location O B-Organization B-Location I-Location I-Location O O O O B-Location I-Location I-Location O B-Observatory I-Observatory I-Observatory O O O B-Observatory B-Organization O B-Observatory O O O O O O B-Observatory I-Observatory I-Observatory B-Telescope I-Telescope I-Telescope B-Location I-Location O B-Proposal I-Proposal I-Proposal O B-Observatory