ner_tags: O O O B-Person I-Person O O O O O O O O O O O B-Organization I-Organization I-Organization O O B-Telescope O O O O O O O O O O O O O B-Telescope O B-Telescope O O O O O O O O B-Organization I-Organization I-Organization I-Organization B-Organization
tokens: The contributions by P. Bergman, including the interesting discussions, are highly appreciated. We also thank the Swedish APEX team and the APEX staff on site for their help with the observations. As part of our Odin and Herschel work, this research has been supported by the Swedish National Space Board (SNSB).