Article Takedown/Update Request

This is an update request for the document The development and validation of the Cluster Headache Quality of life scale (CHQ) by Norazah Abu Bakar, Mariam Torkamani, Surat Tanprawate, Giorgio Lambru, Manjit Matharu and Marjan Jahanshahi

Your paper was deposited in MUCC (Crossref) and appears online at https://thejournalofheadacheandpain.springeropen.com/track/pdf/10.1186/s10194-016-0674-1?site=thejournalofheadacheandpain.springeropen.com
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