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Table 1 Changes in rank of degree centrality (top) and betweenness centrality (bottom) for institutions that have ranked top 3 at least once in terms of the centrality measures respectively

From: Collaboration on evidence synthesis in Africa: a network study of growing research capacity

Degree rank

2009

2010

2011

2012

2013

2014

2015

2016

2017

2018

2019

UCT-South Africa

1

1

1

1

1

1

1

1

1

1

1

SU-South Africa

2

3

4

2

2

2

3

3

3

4

2

UW-South Africa

5

2

2

3

5

4

2

2

2

2

4

CU-Egypt

36

4

3

6

14

7

7

8

4

3

3

AU-Egypt

3

4

14

35

54

77

194

13

11

16

24

UKN-South Africa

21

9

7

7

3

3

4

6

7

9

10

Betweenness rank

2009

2010

2011

2012

2013

2014

2015

2016

2017

2018

2019

UCT-South Africa

1

2

2

1

1

1

1

1

1

1

1

SU-South Africa

4

3

1

4

2

2

2

2

2

2

2

UW-South Africa

3

1

3

5

5

3

6

4

3

3

4

CU-Egypt

21

4

4

7

7

13

5

3

4

4

3

AU-Egypt

2

5

14

25

16

18

41

12

15

11

23

UKN-South Africa

15

6

7

2

4

4

3

5

8

8

12

MU-Uganda

11

11

6

3

3

15

27

21

9

10

9

  1. UCT University of Cape Town, SU Stellenbosch University, UW University of the Witwatersrand, CU Cairo University, AU Assiut University, UKN University of KwaZulu-Natal, MU Makerere University