Table 2 Summary of clusters and the level of consensus per cluster

Basic principles (10)

8

2

Research collaboration (7)

5

2

Social value (25)

1

21

3

Scientific validity (37)

2

2

5

26

2

Fair participant selection (10)

1

1

6

2

Favorable benefit/risk ratio (25)

2

1

4

17

1

Independent review (80)

3

8

69

Informed consent (98)

5

9

20

62

2

Respect for participants (36)

3

7

26

Publication and registration (4)

1

3

Regulatory sanctions (2)

2

Research on vulnerable population (52)

2

2

6

42

Total

11 (2.8 %)

21 (5.4 %)

61 (15.8 %)

281(72.8 %)

12 (3.1 %)