Remember to mention in the acknowledgements the support of the project. We suggest to write something like:We thank the support of the spanish MICINN’s Consolider-Ingenio 2010 Programme under grant MultiDark CSD2009-00064

author:	J. A. R. Cembranos, A. L. Maroto, S. J. Núñez Jareño
title:	Perturbations of ultralight vector field dark matter
journal:
volume:
year:
pages:
eprint:	1611.03793

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