tokens: The authors would like to thank their numerous colleagues for the many hours of fruitful discussions on the complex subject of interstellar dust. In particular we wish to thank Alain Abergel for a careful reading of the manuscript. This research was, in part, made possible through the financial support of the Agence National de la Recherche (ANR) through the programmes Cold Dust (ANR-07-BLAN-0364- 01) and CIMMES (ANR-11-BS56-0029) and, currently, through the EU FP7 funded project DustPedia (grant No. 606847).
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 O O O O O B-Person I-Person O O O O O O O O O O O O O O O O O O O O B-Organization I-Organization I-Organization I-Organization I-Organization B-Organization O O O B-Grant I-Grant B-Grant I-Grant O B-Grant B-Grant O O O O B-Location B-Grant O O B-Grant B-Grant I-Grant I-Grant