Experimental constraints on a dark matter origin for the DAMA annual modulation effect

4 pages.-- PACS numbers: 85.30.-z, 95.35.+d, 95.55.Vj, 14.80.Mz.-- Submitted on 5 Jul 2008 (v1), last revised 31 Jul 2008 (this version, v4): v4 introduces recent results from arXiv:0807.3279 and arXiv:0807.2926. Sensitivity to pseudoscalars is revised in light of the first. Discussion on the subject added.