William Hutton (Cosmetics, augmented note, set status) on 1 February 2001@22:41:01. David Whitehead (augmented note and keywords; cosmetics) on 3 January 2005@10:48:59. David Whitehead on 21 December 2011@06:29:50. Catharine Roth (expanded abbreviation) on 24 November 2014@19:45:34. Catharine Roth (tweak) on 25 November 2014@23:07:45.