Article metrics

Download PDFPDF
Letter
The Authors' reply

 

Online download statistics by month:

Online download statistics by month: October 2010 to May 2021

AbstractFullPdf
Oct 201079179
Nov 20108021
Dec 20108001
Jan 20113502
Feb 201112921545
Mar 2011253615
Apr 20111143
May 20111713
Jun 20112522
Jul 20112632
Aug 20112821
Sep 20111612
Oct 20111201
Nov 20112611
Dec 20112201
Jan 20122023
Feb 20121810
Mar 20121502
Apr 20121400
May 20122931
Jun 20121700
Jul 20121511
Aug 20121801
Sep 20121800
Oct 20122303
Nov 2012011
Dec 2012011
Feb 2013001
Mar 2013011
Apr 2013010
Jun 2013301
Jul 20132000
Aug 20132902
Sep 2013701
Oct 2013800
Nov 20131000
Dec 2013521
Jan 2014400
Feb 20141400
Mar 2014900
Apr 20141600
May 20141700
Jun 20141300
Jul 20142301
Aug 2014800
Sep 2014300
Oct 2014700
Nov 2014300
Dec 2014411
Jan 2015600
Feb 2015300
Mar 20151241
Apr 2015700
May 2015100
Jun 2015502
Jul 2015100
Aug 20151102
Sep 2015500
Oct 2015200
Nov 2015300
Dec 2015100
Jan 2016901
Mar 2016300
Apr 2016300
May 2016001
Jun 2016500
Jul 2016300
Aug 2016600
Sep 2016401
Oct 2016800
Nov 2016500
Dec 2016400
Jan 2017700
Feb 2017700
Mar 2017500
Apr 2017600
May 2017300
Jun 20171100
Jul 20172600
Aug 20173400
Sep 20176401
Oct 20172600
Nov 20173500
Dec 20172000
Jan 20184700
Feb 20181500
Mar 20181600
Apr 20182310
May 20185200
Jun 20185400
Jul 20182600
Aug 20183800
Sep 20184800
Oct 20182600
Nov 20182511
Dec 20181550
Jan 20191200
Feb 20191111
Mar 20194412
Apr 20195600
May 20192400
Jun 2019400
Jul 20193210
Aug 20191100
Sep 20191000
Oct 20191200
Nov 20191910
Dec 201921000
Jan 20204500
Feb 20201800
Mar 20204200
Apr 20202300
May 20202000
Jun 20204720
Jul 20208400
Aug 20205100
Sep 20205911
Oct 20206600
Nov 20202910
Dec 20202400
Jan 20212700
Feb 20214500
Mar 20212522
Apr 20212300
May 20212110
Total2831320127