Table 1 Search strategy in PubMed, Cinahl and Embase for mobile X-ray

1

“Radiography” [Mesh]

2

“diagnostic” AND (x radiography* OR x ray* OR radiotherap*)* *

3

mobile AND (“radiography” OR x ray* OR radiotherapy*)**

4

transportable AND (“radiography” OR x ray OR radiotherapy*) **

5

Portable AND (“radiography” OR x ray* OR radiotherapy*)**

6

“X-rays” [Mesh]

7

“Nursing Homes” [Mesh]

8

“Homes for the Aged” [Mesh]

9

“nursing” AND (“home” OR “homes” OR facilit*)**

10

“home for the aged” OR “home for the elderly” OR “homes for the aged” OR “homes for the elderly”

11

((intermediate or “long-term”) AND care facility*) **

12

“hospital at home” **

13

“Mobile Health Units”[Mesh]

14

7 OR 8 OR 9 OR 10 OR 11 OR 12 OR 13

15

“Diagnostic Imaging” [Mesh:NoExp]

16

15 OR 1 OR 2 OR 3 OR 4 OR 5 OR 6

17

16 AND 14

18

17 NOT “mammography”

19

18 Filters: English; Danish, Norwegian; Swedish; German; Italian; French;