Volume 16, Issue 14, December 2015, Pages 5613-5618
Volume 15, Issue 14, December 2014, Pages 5685-5689
Volume 15, Issue 8, August 2014, Pages 3383-3389
Volume 14, Issue 11, November 2013, Pages 6459-6463
Volume 13, Issue 4, April 2012, Pages 1187-1191
Volume 12, Issue 8, August 2011, Pages 2123-2128
Volume 12, Issue 7, July 2011, Pages 1657-1663
Volume 12, Issue 6, June 2011, Pages 1417-1423
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