Although WHO officially withdrew its previous recommendation of a 15% CD rates in June 2010 considering that there was no empirical evidence for an optimum percentage, the high CD rate reported in our study, however, is far beyond the professionally accepted level.
Walker also highlighted how his previous recommendations had not been implemented.
This is before the pilot studies in Aberdeen and Burnley were even completed, before Professor Malcolm Harrington's report on long-term variable conditions and before all of his previous recommendations have been implemented fully.
Finally, the open-label design of published trials and the perceived patient preference of oral therapy over subcutaneous injections led the ACCP to downgrade its previous 1A recommendation from the 2008 guidelines to 2B in its most recent review [ 15].
As opposed to previous recommendations [7], we do not recommend serial neck circumference measurements.
It made a point of endorsing and restating previous recommendations, and observing that some "have still not been entirely fulfilled" (van Velzen et al. 2009 ).
Previous recommendations in the medical literature for low cost phantoms have recommended a preparation method differing from ballistic gelatin in concentration and preparation temperature [1, 5].
