ner_tags: O O O O O O O O O O O O O O O O O O O B-Location B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization B-Person O O O O O B-Organization I-Organization O O O O O O B-Database O O O O B-Organization B-Location I-Location
tokens: Acknowledgements We would like to thank the anonymous referee for many helpful comments. This work is supported by the Canadian Natural Sciences and Engineering Research Council. TAAS also gratefully acknowledges support from Western University. This research made use of the SIMBAD data base, operated at CDS, Strasbourg, France.