Volume 17, Issue 1, January 2016, Pages 165-170
Volume 15, Issue 19, December 2014, Pages 8461-8467
Volume 15, Issue 3, March 2014, Pages 1227-1232
Volume 13, Issue 12, December 2012, Pages 5995-5998
Volume 13, Issue 11, November 2012, Pages 5545-5549
Volume 11, Issue 6, June 2010, Pages 1781-1787