Article usage
Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.
HW statistics
Monthly Stats
| Month | Abstract | Full | |
|---|---|---|---|
| May 2013 | 1 | 0 | 0 |
| April 2013 | 4 | 0 | 0 |
| March 2013 | 7 | 0 | 0 |
| February 2013 | 6 | 0 | 0 |
| January 2013 | 1 | 1 | 0 |
| December 2012 | 3 | 1 | 0 |
| November 2012 | 7 | 0 | 0 |
| October 2012 | 1 | 0 | 0 |
| September 2012 | 3 | 0 | 0 |
| August 2012 | 2 | 0 | 0 |
| July 2012 | 6 | 1 | 0 |
| June 2012 | 5 | 0 | 0 |
| May 2012 | 3 | 0 | 0 |
| April 2012 | 5 | 0 | 0 |
| March 2012 | 4 | 1 | 0 |
| February 2012 | 4 | 1 | 0 |
| January 2012 | 3 | 3 | 0 |
| December 2011 | 0 | 7 | 0 |
| November 2011 | 1 | 3 | 0 |
| October 2011 | 3 | 4 | 0 |
| September 2011 | 2 | 4 | 0 |
| August 2011 | 5 | 2 | 0 |
| July 2011 | 3 | 1 | 0 |
| June 2011 | 3 | 4 | 0 |
| May 2011 | 3 | 1 | 0 |
| April 2011 | 0 | 1 | 0 |
| March 2011 | 2 | 2 | 0 |
| February 2011 | 7 | 8 | 0 |
| January 2011 | 23 | 24 | 0 |
| December 2010 | 36 | 36 | 0 |
| November 2010 | 7 | 4 | 0 |
| October 2010 | 5 | 5 | 0 |
| September 2010 | 15 | 6 | 0 |
| August 2010 | 7 | 11 | 0 |
| July 2010 | 5 | 6 | 0 |
| June 2010 | 2 | 9 | 0 |
| May 2010 | 4 | 7 | 0 |
| April 2010 | 8 | 11 | 0 |
| March 2010 | 7 | 8 | 0 |
| February 2010 | 9 | 9 | 0 |
| January 2010 | 40 | 27 | 0 |
| December 2009 | 236 | 517 | 0 |








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