Table 1 Characteristics of the included studies (n = 21) until June 2020

Type of study

Editorial

19

Editorial review

31

Brief review

2,10,15

Systematic review

5,30

Original research

8,9,11,12,13,17,18,20,29,32,33,34

Others

4,16

Type of information

The importance and necessity of BSS integration

2,4,5,9,11,13,15,16,24

Barriers to BSS integration

8,29,30

The approach to BSS integration

8,12,17,18,29,30,31,32

Learning context

8,9,29

The content required to be covered in curriculum

8,9,17,29,30,31

Teaching method of BSS

10,11,15,17,21,31,32

Assessment method of BSS integration

11,17,18,19,20,30,31

Time of BSS integration

8,10,11,18,19,30,31

Hours required to teach BSS

18,31

Teachers’ characteristics

11,29,30,31,34

Departments required to be involved

9,12,25,31,33

Country

United states

4,5,8,9,10,11,15,16,17,18,19,33,34

United kingdom

13,20,29

Canada

2,19,32

Iran

12,30

France

2

Germany

31

Australia

31