Table 1 Specific search strings used for each of the databases

1

exp breast implant/

Breast Implants/

Breast-surgery

Breast implants

2

breast augmentation/

Breast Implantation/

Breast-implants

Breast augmentation

3

exp breast reconstruction/

exp Mammaplasty/

Breast-implantation

Augmentation mammaplasty

4

exp breast prosthesis/

exp "Prostheses and Implants"/

Breast-prosthesis

Augmentation mammoplasty

5

exp breast surgery/

Breast/su [Surgery]

Mammaplasty

Breast enlargement

6

exp plastic surgery/

Surgery, Plastic/

Mammoplasty

Silicones

7

mammaplasty.mp.

mammaplasty.mp.

Breast-augmentation

Breast reconstruction

8

mammoplasty.mp.

mammoplasty.mp.

Breast-enlargement

Breast surgery

9

breast augmentation.mp.

breast augmentation.mp.

Breast and plastic-surgery

Plastic surgery

10

breast enlargement.mp.

breast enlargement.mp.

1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9

1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9

11

breast surgery.mp.

breast surgery.mp.

Breastfeeding

Breastfeeding

12

1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11

1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11

Breast feeding

Breast feeding

13

exp breast feeding/

exp Breast Feeding/

Lactation

Lactation

14

exp lactation/

exp Lactation/

11 or 12 or 13

15

breast milk/

breastfeeding.mp.

11 or 12 or 13

10 and 14

16

breastfeeding.mp.

breast feeding.mp.

10 and 15

17

breast feeding.mp.

lactation.mp.

18

lactation.mp.

13 or 14 or 15 or 16 or 17

19

13 or 14 or 15 or 16 or 17 or 18

12 and 18

20

12 and 19