Article metrics

Download PDFPDF
Letter
Authors' response

 

Online download statistics by month:

Online download statistics by month: January 2011 to September 2024

AbstractFullPdf
Jan 2011425
Feb 20111711
Mar 2011800
Apr 2011400
May 201161414
Jun 201119011
Jul 20111815
Aug 20111234
Sep 20111114
Oct 20111001
Nov 20111510
Dec 20111211
Jan 20121212
Feb 2012410
Mar 2012601
Apr 2012900
May 2012401
Jun 20121010
Jul 20121011
Aug 2012600
Sep 2012500
Oct 20126310
Nov 2012011
Jan 2013001
Feb 2013010
Jun 2013001
Jul 2013200
Aug 2013010
Sep 2013001
Oct 20130161
Nov 2013211
Dec 2013200
Mar 2014900
Apr 2014600
May 2014410
Jun 2014210
Jul 20141400
Aug 2014300
Sep 2014030
Nov 2014100
Dec 2014200
Jan 2015101
Mar 2015601
Apr 2015200
Jun 2015002
Jul 2015100
Aug 2015400
Sep 2015200
Oct 2015200
Nov 2015200
Dec 2015200
Jan 2016200
Feb 2016201
Mar 2016201
May 2016200
Jun 2016300
Jul 2016500
Aug 20161000
Sep 2016510
Oct 2016800
Nov 2016500
Dec 2016600
Jan 2017401
Feb 2017500
Mar 2017700
Apr 20171000
May 2017700
Jun 2017600
Jul 20171400
Aug 20173000
Sep 20179510
Oct 201722400
Nov 20177590
Dec 201748172
Jan 201829130
Feb 201842120
Mar 201827110
Apr 201820120
May 20182080
Jun 201828110
Jul 201825130
Aug 201827131
Sep 201827151
Oct 20181990
Nov 201826100
Dec 20181790
Jan 20191491
Feb 20192080
Mar 2019300
May 2019440
Jun 201913111
Jul 20191490
Aug 2019990
Sep 201910100
Oct 20191280
Nov 20191190
Dec 201921130
Jan 20201290
Feb 202021110
Mar 20201590
Apr 202018140
May 202017150
Jun 202023100
Jul 202020141
Aug 20201390
Sep 202045130
Oct 202019121
Nov 20201400
Dec 20205000
Jan 20211910
Mar 2021600
Apr 2021200
Oct 2021900
Nov 2021600
Dec 2021600
Jan 20221400
Feb 20221400
Mar 20221800
Apr 20221420
May 20223800
Jun 20223000
Jul 20222000
Aug 20223610
Sep 20223511
Oct 20223000
Nov 20221000
Dec 20221700
Jan 20231721
Feb 20235400
Mar 2023600
Apr 2023500
May 2023600
Jul 2023400
Aug 2023200
Sep 2023200
Oct 2023200
Nov 20232500
Dec 20231110
Jan 20241400
Feb 2024600
Mar 20241700
Apr 20242500
May 2024900
Jun 20242000
Jul 20241600
Aug 20242210
Sep 20241000
Total220945374