ner_tags: O O O O B-Person I-Person O O O O O O O O O O B-Person I-Person O O O O O O O O O B-Location B-Organization O O B-Grant O B-Grant B-Person O O O B-Grant I-Grant O B-Location B-Organization
tokens: We are grateful to Javier Manzano-Santamaría for his support on the experiments. Special thanks go to Marcelino Agúndez for useful discussions. This research was financed by the Spanish MINECO under projects AYA2011-29375 and AYA2014-60585-P. R.M.D. benefited from a FPI grant from Spanish MINECO.