Table 2.

Results of the structured searching.

No.	Conceptual framework	Search string	Number of returned publications
#1	Digital health	(digital health[Title/Abstract]) OR (digital health[MeSH Terms])	4545
#2	Medicine	((((((medicine[Title/Abstract])) OR (medical[Title/Abstract])) OR (doctor[Title/Abstract])) OR (medicine[MeSH Terms])) OR (medical[MeSH Terms])) OR (doctor[MeSH Terms])	2,709,890
#3	Review study	(((((systematic review[Title/Abstract]) OR (scoping review[Title/Abstract])) OR (systematic mapping[Title/Abstract])) OR (systematic review[MeSH Terms])) OR (scoping review[MeSH Terms])) OR (systematic mapping[MeSH Terms])	199,138
#4	Final search	((#1) AND (#2)) AND (#3)	155