Comparison of our reddening estimates from CMD fitting with the most recent reddening estimates (Fan et al. 2008; Montalto et al. 2009; Caldwell et al. 2011) as well as with those of Barmby et al. (2000), who provided the calibration frame for the Fan et al. and Caldwell et al. results. The open circles indicate the clusters excluded from the analysis in Sect. 4, for completeness (see Sect. 3.1).
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