Volume 17, Issue 2, February 2016, Pages 625-630
Volume 16, Issue 15, December 2015, Pages 6481-6490
Volume 15, Issue 8, August 2014, Pages 3411-3413
Volume 13, Issue 12, December 2012, Pages 6083-6086
Volume 13, Issue 11, November 2012, Pages 5497-5500
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