ner_tags: O O 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 B-Person O O O B-Organization O B-Organization B-Person O O O B-Organization B-Person O B-Person O O O B-Organization B-Person O O O B-Person I-Person O B-Person I-Person O O O O O O O O O O O O
tokens: ACKNOWLEDGEMENTS We are grateful to the anonymous referee for her/his very useful comments and suggestions that helped us to clarify and improve this work. OLD and ACK are grateful to FAPESP and CNPq. AFM is grateful to CAPES. MVC and GFH are grateful to CONICET. OLD is grateful to Dr. Sameshima and Dr. Miller for making their BLR metallicity estimations and α ox values available, respectively.