Original sentence: In an editorial on the issue, the Guardian pointed out that due to the mismatch of resources tax-collectors (HMRC) have now to rely on websites such as Wikileaks to obtain such documents, and indeed the documents in question have now appeared on Wikileaks
Edited sentence: In an editorial on the issue, the Guardian pointed out that, due to the mismatch of resources tax-collectors, (HMRC) have now to rely on websites such as Wikileaks to obtain such documents, and indeed the documents in question have now appeared on Wikileaks