Volume 17, Issue 2, February 2016, Pages 743-748
Volume 15, Issue 21, December 2014, Pages 9277-9281
Volume 15, Issue 24, December 2014, Pages 10825-10830
Volume 15, Issue 13, December 2014, Pages 5449-5454
Volume 14, Issue 1, January 2013, Pages 329-332
Volume 13, Issue 12, December 2012, Pages 6097-6100
Volume 13, Issue 12, December 2012, Pages 6517-6521
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