Current Biology (2013) - Comment
pubmed: 23891110  doi: 10.1016/j.cub.2013.06.029  issn: 0960-9822  issn: 1879-0445 

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Christian Cajochen, Songül Altanay-Ekici, Mirjam Münch, Sylvia Frey, Vera Knoblauch, Anna Wirz-Justice