Table 1 Database search terms employed in initial searches April 2017

1.

Social remittances.mp.

2.

Social remittances.mp. [mp = title, abstract, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword, floating subheading]

3.

transnational exchange$.tw.

4.

(social adj5 norm$).tw.

5.

(social adj5 practice$).tw.

6.

(social adj5 identit$).tw.

7.

Cultural diffusion.mp. [mp = title, abstract, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword, floating subheading]

8.

((change$ or alter* or differen$) adj10 normative value$).tw.

9.

Social remitting.mp. [mp = title, abstract, heading word, drug trade name, original title, device manufacturer, drug manufacturer, device trade name, keyword, floating subheading]

10.

social network$.tw.

11.

social exchange$.tw.

12.

kinship network$.tw.

13.

Friendship network$.tw.

14

transnational transfer$.tw.

15.

transnational transmission$.tw.

16.

transnational communit$.tw.

17.

Knowledge transfer.tw.

18.

Information exchange.tw.

19.

(transfer adj5 information).tw.

20.

1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17 or 18 or 19

21.

immigrant*.tw.

22.

emigrant$.tw.

23.

Immigration.tw.

24.

Emigration.tw.

25.

Source country.tw.

26.

Origin country.tw.

27.

Destination country.tw.

28.

Host country.tw.

29.

Stay behind.tw.

30.

stayer$.tw.

31.

(mover or movers).tw.

32.

Remain behind.tw.

33.

refugee$.tw.

34.

asylum seeker$.tw.

35.

21 or 22 or 23 or 24 or 25 or 26 or 27 or 28 or 29 or 30 or 31 or 32 or 33 or 34

36.

20 and 35