Article metrics

Download PDFPDF
Letter
Authors' response

 

Online download statistics by month:

Online download statistics by month: March 2011 to January 2024

AbstractFullPdf
Mar 2011088
Apr 2011310
May 20112101
Jun 2011631314
Jul 201123311
Aug 20112115
Sep 20111307
Oct 20111408
Nov 20111230
Dec 20111922
Jan 20121622
Feb 2012710
Mar 20121220
Apr 2012520
May 2012603
Jun 2012700
Jul 2012710
Aug 2012900
Sep 2012500
Oct 20122310
Nov 2012011
Jan 2013001
Apr 2013001
May 2013010
Jun 2013001
Aug 2013120
Sep 20131140
Oct 20130261
Nov 2013202
Dec 2013302
Feb 2014200
Mar 2014800
Apr 2014700
May 2014310
Jul 2014200
Aug 2014300
Sep 2014020
Oct 2014510
Nov 2014200
Dec 2014200
Jan 2015201
Mar 2015400
Apr 2015300
May 2015500
Jun 2015603
Jul 2015400
Aug 2015400
Sep 2015100
Nov 2015300
Dec 2015200
Jan 2016200
Feb 2016010
Apr 2016100
Jun 2016401
Jul 2016300
Aug 2016500
Sep 20161010
Oct 20161900
Nov 20162220
Dec 2016900
Jan 2017700
Feb 2017700
Mar 2017500
Apr 2017700
May 2017600
Jun 2017600
Jul 20172500
Aug 20171510
Sep 201710720
Oct 201722100
Nov 20178790
Dec 201759170
Jan 201832120
Feb 201842110
Mar 201825110
Apr 201819110
May 20182080
Jun 201818110
Jul 201831130
Aug 201823130
Sep 201820140
Oct 20182280
Nov 20181480
Dec 20181390
Jan 20191470
Feb 20191280
Mar 2019800
Apr 2019200
May 2019860
Jun 201920161
Jul 201912110
Aug 201913130
Sep 201916140
Oct 201920140
Nov 2019990
Dec 20192290
Jan 202016120
Feb 202025130
Mar 202012100
Apr 202016110
May 202018140
Jun 202018100
Jul 202052130
Aug 202012100
Sep 202053171
Oct 202014110
Nov 2020800
Dec 20204400
Jan 20211800
Feb 2021400
Mar 2021610
Apr 2021200
Oct 20211011
Nov 2021600
Dec 2021400
Jan 20221400
Feb 2022600
Mar 20221600
Apr 20221400
May 20224400
Jun 20223600
Jul 20221000
Aug 20224500
Sep 20223811
Oct 20226200
Nov 2022900
Dec 20221200
Jan 2023821
Feb 20236000
Mar 2023420
Apr 2023600
May 2023800
Jul 2023200
Aug 2023400
Sep 2023400
Oct 2023200
Nov 2023800
Dec 20232010
Jan 20241700
Total218951680