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Volume 26, Issue 2
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Letter
Author's response
Online download statistics by month:
Online download statistics by month: January 2009 to September 2024
Abstract
Full
Pdf
Jan 2009
10
30
7
Feb 2009
7
70
3
Mar 2009
4
5
1
Apr 2009
2
1
1
May 2009
1
2
1
Jun 2009
2
0
0
Jul 2009
1
0
2
Aug 2009
0
1
0
Sep 2009
0
1
1
Oct 2009
2
1
0
Nov 2009
1
1
2
Dec 2009
4
0
0
Jan 2010
0
0
1
Feb 2010
1
0
0
Mar 2010
0
0
3
May 2010
5
2
0
Jun 2010
1
0
2
Jul 2010
0
1
1
Aug 2010
0
0
1
Sep 2010
3
2
1
Oct 2010
7
5
0
Nov 2010
2
0
0
Dec 2010
1
0
1
Jan 2011
2
0
0
Feb 2011
3
1
0
Mar 2011
4
0
0
Apr 2011
1
0
0
May 2011
6
0
1
Jun 2011
1
0
0
Jul 2011
11
0
0
Aug 2011
2
0
0
Sep 2011
2
0
0
Oct 2011
3
0
0
Nov 2011
6
0
0
Dec 2011
4
0
0
Jan 2012
2
0
0
Feb 2012
2
0
0
Mar 2012
2
0
1
Apr 2012
2
0
0
May 2012
2
0
0
Jun 2012
2
0
0
Jul 2012
1
0
0
Aug 2012
7
0
0
Sep 2012
6
0
2
Oct 2012
4
0
0
Nov 2012
0
1
1
Dec 2012
0
0
1
Mar 2013
0
0
1
Jun 2013
1
0
0
Aug 2013
3
0
0
Oct 2013
1
0
0
Nov 2013
1
0
0
Dec 2013
1
0
0
Feb 2014
4
1
0
Mar 2014
4
0
0
Apr 2014
3
0
0
May 2014
4
0
0
Jul 2014
1
0
0
Aug 2014
1
0
0
Sep 2014
3
0
0
Oct 2014
4
0
1
Nov 2014
3
0
0
Jan 2015
1
0
0
Feb 2015
3
0
0
Mar 2015
7
0
0
Apr 2015
4
0
1
May 2015
11
0
0
Jun 2015
1
0
0
Jul 2015
3
0
0
Aug 2015
1
0
0
Sep 2015
2
0
0
Mar 2016
3
0
1
Apr 2016
1
0
0
Jul 2016
1
0
0
Sep 2016
2
0
1
Oct 2016
6
0
0
Dec 2016
1
0
0
Jan 2017
1
0
0
Feb 2017
8
0
0
Mar 2017
6
0
0
Apr 2017
3
0
0
May 2017
3
0
0
Jun 2017
10
0
0
Jul 2017
13
0
1
Aug 2017
4
0
0
Sep 2017
14
0
0
Oct 2017
7
0
0
Nov 2017
15
0
0
Dec 2017
15
0
0
Jan 2018
41
0
0
Feb 2018
29
0
0
Mar 2018
34
1
0
Apr 2018
20
1
0
May 2018
22
0
0
Jun 2018
10
0
0
Jul 2018
7
1
0
Aug 2018
10
0
0
Sep 2018
4
0
0
Oct 2018
11
0
0
Nov 2018
4
0
0
Dec 2018
14
0
1
Jan 2019
4
0
0
Feb 2019
12
0
0
Mar 2019
16
0
0
Apr 2019
6
0
0
May 2019
2
0
0
Jun 2019
2
0
0
Jul 2019
3
1
0
Sep 2019
2
0
0
Oct 2019
2
0
0
Nov 2019
2
0
0
Dec 2019
11
0
0
Jan 2020
6
0
0
Feb 2020
4
0
0
Mar 2020
2
0
0
May 2020
8
0
0
Jun 2020
4
0
0
Jul 2020
14
2
1
Aug 2020
2
0
0
Sep 2020
14
0
0
Oct 2020
13
0
0
Nov 2020
10
0
1
Dec 2020
8
0
0
Jan 2021
10
0
0
Feb 2021
2
0
0
Mar 2021
4
0
0
Apr 2021
5
0
0
May 2021
0
0
1
Aug 2021
1
0
0
Oct 2021
8
0
0
Nov 2021
9
0
0
Dec 2021
5
0
0
Jan 2022
12
0
1
Feb 2022
4
0
1
Mar 2022
11
1
0
Apr 2022
8
0
0
May 2022
16
0
1
Jun 2022
13
2
1
Jul 2022
4
0
0
Aug 2022
11
0
0
Sep 2022
6
0
0
Oct 2022
18
0
0
Nov 2022
6
0
0
Dec 2022
8
0
0
Jan 2023
12
0
0
Feb 2023
60
0
0
Apr 2023
6
0
0
May 2023
6
0
0
Jul 2023
4
0
0
Aug 2023
2
0
0
Sep 2023
4
0
0
Oct 2023
8
0
0
Nov 2023
4
0
0
Dec 2023
20
0
1
Jan 2024
8
0
0
Feb 2024
8
0
0
Mar 2024
4
0
0
Apr 2024
12
0
0
May 2024
2
0
0
Jun 2024
8
0
0
Jul 2024
2
0
0
Aug 2024
7
0
0
Sep 2024
4
1
1
Total
1004
135
50
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