Article metrics

Download PDFPDF
Letter
Authors' response

 

Online download statistics by month:

Online download statistics by month: February 2011 to March 2024

AbstractFullPdf
Feb 2011268
Mar 20111125
Apr 2011713410
May 20114769
Jun 20111517
Jul 20112703
Aug 20112202
Sep 20112712
Oct 20112312
Nov 20112101
Dec 20111703
Jan 20121813
Feb 2012901
Mar 20121701
Apr 20121100
May 20122773
Jun 2012801
Jul 20121800
Aug 20121801
Sep 20122200
Oct 20121802
Dec 2012011
Feb 2013011
Mar 2013001
Apr 2013001
May 2013021
Jun 2013200
Jul 2013500
Aug 2013600
Sep 2013600
Oct 2013821
Nov 2013820
Dec 2013400
Jan 2014321
Feb 2014910
Mar 20141411
Apr 20141300
May 20141000
Jul 2014901
Sep 2014302
Oct 2014600
Nov 2014100
Dec 2014100
Jan 2015100
Feb 2015200
Mar 20151100
Apr 2015400
May 2015400
Jun 2015801
Jul 2015600
Aug 2015701
Sep 20152302
Oct 2015300
Nov 2015510
Dec 2015401
Jan 2016800
Feb 2016200
Mar 2016210
Apr 2016100
May 2016401
Jun 2016701
Jul 2016200
Aug 2016900
Sep 2016510
Oct 20161300
Nov 2016400
Dec 2016801
Jan 2017500
Feb 2017800
Mar 2017611
Apr 2017500
May 2017600
Jun 2017901
Jul 2017600
Aug 20171000
Sep 20171701
Oct 20172510
Nov 20171600
Dec 2017600
Jan 20181700
Feb 20181500
Mar 20181010
Apr 2018911
May 20182400
Jun 20181700
Jul 20181600
Aug 20181000
Sep 20182001
Oct 20181400
Nov 20185610
Dec 20182000
Jan 20191301
Feb 2019700
Mar 2019800
Apr 20191500
May 20192710
Jun 20191800
Jul 2019910
Aug 2019400
Sep 20191100
Oct 20191000
Nov 2019600
Dec 20191600
Jan 20201600
Feb 20201500
Mar 2020600
Apr 2020802
May 20201400
Jun 2020800
Jul 20202001
Aug 20201310
Sep 20202664
Oct 2020900
Nov 20201200
Dec 20201600
Jan 20211300
Feb 2021800
Mar 2021600
Apr 2021200
Sep 2021001
Oct 2021200
Nov 20211000
Dec 2021600
Jan 2022900
Feb 20221500
Mar 20222400
Apr 20221000
May 20224000
Jun 20223810
Jul 20221300
Aug 20224110
Sep 20222400
Oct 20228710
Nov 20221200
Dec 20221600
Jan 2023600
Feb 20233300
Mar 2023200
Apr 2023600
May 20231000
Jun 2023110
Jul 2023621
Aug 20232100
Sep 20231110
Oct 20231200
Nov 20231700
Dec 20231610
Jan 20242700
Feb 2024200
Mar 2024100
Total19019698