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Volume 94, Issue 9
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Featured correspondence
The authors' reply:
Online download statistics by month:
Online download statistics by month: August 2008 to February 2023
Abstract
Full
Pdf
Aug 2008
34
16
24
Sep 2008
40
40
8
Oct 2008
19
17
8
Nov 2008
17
16
7
Dec 2008
14
15
3
Jan 2009
15
12
0
Feb 2009
6
14
3
Mar 2009
3
6
2
Apr 2009
2
8
1
May 2009
1
9
2
Jun 2009
1
10
1
Jul 2009
0
8
1
Aug 2009
2
9
0
Sep 2009
6
7
0
Oct 2009
5
9
0
Nov 2009
2
8
0
Dec 2009
2
3
1
Jan 2010
6
1
2
Apr 2010
1
0
2
May 2010
3
0
0
Jun 2010
1
0
1
Jul 2010
0
2
6
Aug 2010
75
31
21
Sep 2010
175
74
40
Oct 2010
64
34
30
Nov 2010
43
1
19
Dec 2010
5
4
0
Jan 2011
34
3
6
Feb 2011
39
20
16
Mar 2011
8
18
8
Apr 2011
10
4
5
May 2011
26
15
2
Jun 2011
25
0
2
Jul 2011
14
0
8
Aug 2011
20
5
1
Sep 2011
30
0
5
Oct 2011
9
0
0
Nov 2011
22
1
3
Dec 2011
14
0
25
Jan 2012
12
2
0
Feb 2012
7
0
0
Mar 2012
6
0
0
Apr 2012
10
4
1
May 2012
12
0
0
Jun 2012
9
0
0
Jul 2012
23
0
0
Aug 2012
15
2
15
Sep 2012
40
2
14
Oct 2012
15
3
1
Nov 2012
0
3
23
Dec 2012
0
4
13
Jan 2013
0
0
3
May 2013
0
1
0
Jun 2013
13
0
0
Jul 2013
114
2
0
Aug 2013
160
9
25
Sep 2013
138
26
12
Oct 2013
87
35
2
Nov 2013
89
1
5
Dec 2013
28
5
0
Jan 2014
7
0
0
Feb 2014
0
0
2
Mar 2014
8
0
0
Apr 2014
3
0
0
May 2014
2
1
0
Jun 2014
2
0
0
Jul 2014
1
0
0
Aug 2014
1
0
0
Sep 2014
1
0
0
Oct 2014
1
0
0
Nov 2014
1
0
1
Dec 2014
1
0
0
Jan 2015
1
0
0
Feb 2015
1
0
0
Mar 2015
1
0
0
May 2015
0
0
3
Jun 2015
1
0
2
Sep 2015
5
0
0
Dec 2015
2
0
2
Jan 2016
4
0
0
Feb 2016
1
0
1
Mar 2016
1
0
0
Apr 2016
0
1
1
Jun 2016
1
0
0
Jul 2016
1
0
0
Aug 2016
3
0
1
Sep 2016
5
2
0
Oct 2016
2
0
2
Nov 2016
2
0
0
Dec 2016
1
0
1
Jan 2017
3
0
0
Feb 2017
2
1
1
Mar 2017
2
0
0
Apr 2017
2
0
1
May 2017
4
0
1
Jun 2017
6
0
0
Jul 2017
4
0
0
Aug 2017
6
0
1
Sep 2017
18
0
1
Oct 2017
19
0
0
Nov 2017
18
0
1
Dec 2017
5
0
1
Jan 2018
10
0
0
Feb 2018
26
0
0
Mar 2018
14
0
0
Apr 2018
6
0
2
May 2018
20
0
3
Jun 2018
21
0
3
Jul 2018
8
0
1
Aug 2018
4
0
0
Sep 2018
6
0
0
Oct 2018
20
0
4
Nov 2018
6
0
1
Dec 2018
26
0
1
Jan 2019
8
0
1
Feb 2019
16
1
2
Mar 2019
16
0
1
Apr 2019
14
1
3
May 2019
12
0
5
Jun 2019
14
0
3
Jul 2019
15
1
3
Aug 2019
10
0
4
Sep 2019
11
0
2
Oct 2019
10
0
3
Nov 2019
8
0
3
Dec 2019
148
0
2
Jan 2020
10
0
3
Feb 2020
8
0
1
Mar 2020
24
0
13
Apr 2020
6
0
3
May 2020
17
0
2
Jun 2020
7
0
0
Jul 2020
7
0
0
Aug 2020
4
0
0
Sep 2020
10
0
1
Oct 2020
1
0
0
Nov 2020
6
0
1
Dec 2020
4
0
0
Jan 2021
12
0
1
Feb 2021
8
0
4
Mar 2021
4
0
1
Apr 2021
16
0
0
May 2021
5
0
3
Sep 2021
1
0
0
Nov 2021
2
0
0
Dec 2021
2
0
0
Jan 2022
8
0
0
Feb 2022
6
0
0
Mar 2022
2
0
1
Apr 2022
8
0
0
May 2022
4
0
0
Jun 2022
4
0
0
Jul 2022
2
0
0
Aug 2022
4
0
0
Sep 2022
5
1
0
Oct 2022
3
0
0
Jan 2023
2
0
0
Feb 2023
56
0
0
Total
2427
528
481
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