Article metrics

PDF
Letter
Authors' response

Statistics from Altmetric.com

Online download statistics by month:

AbstractFullPDF
Apr 2011136
May 201157515
Jun 201124315
Jul 201119010
Aug 20112115
Sep 20111806
Oct 20111211
Nov 20112513
Dec 20111214
Jan 20121421
Feb 20121621
Mar 20121501
Apr 20121200
May 20121132
Jun 20121100
Jul 20121912
Aug 20121100
Sep 2012700
Oct 20129310
Nov 2012011
Dec 2012001
Jan 2013001
Jun 2013402
Jul 2013400
Aug 2013320
Sep 2013300
Oct 2013332
Nov 2013501
Dec 2013210
Jan 2014200
Feb 2014101
Mar 20141200
Apr 2014610
May 2014410
Jun 2014600
Jul 20141501
Aug 2014410
Sep 2014920
Oct 2014800
Nov 2014200
Dec 2014301
Jan 2015501
Mar 2015600
Apr 2015600
May 2015500
Jun 2015603
Jul 2015400
Aug 2015600
Sep 2015301
Nov 2015800
Dec 2015500
Jan 2016701
May 2016300
Jun 2016600
Jul 2016600
Aug 2016700
Sep 2016600
Oct 20161100
Nov 2016700
Dec 20161000
Jan 2017521
Feb 2017710
Mar 2017620
Apr 20171001
May 20171000
Jun 2017601
Jul 20171600
Aug 20172300
Total6107192