Volume 14, Issue 3, March 2013, Pages 1579-1583
Volume 13, Issue 9, September 2012, Pages 4393-4402
Volume 13, Issue 4, April 2012, Pages 1365-1370
Volume 12, Issue 6, June 2011, Pages 1409-1415
Volume 8, Issue 4, April 2007, Pages 567-572
Volume 8, Issue 3, March 2007, Pages 462-463
Volume 7, Issue 2, February 2006, Pages 177-185
Volume 4, Issue 3, March 2003, Pages 259-266
Volume 3, Issue 4, April 2002, Pages 367-368
Volume 1, Issue 2, February 2000, Pages 115-120