Table 1 Electronic search strategy for MEDLINE database, January 2018

1

peripheral nervous system neoplasms/ OR nerve compression syndromes/ OR nerve sheath neoplasms/ OR neuralgia/ OR neuritis/ OR (neuralgia$1 OR neuritis OR entrapment$1 OR (nerve ADJ5 compression)).ti,ab.

2

neurilemmoma/ OR neuroma/ OR neurofibroma/ OR (neurilemmoma$1 OR neuroma$1 OR neurofibroma$1).ti,ab.

3

foot diseases/ OR foot/ OR forefoot/ OR (foot OR forefoot).ti,ab.

4

metatarsus/ OR metatarsal bones/ OR metatarsophalangeal joint/ OR toes/ OR (metatarsus OR metatarsal$1 OR intermetatarsal OR metatarsophalangeal OR toe$1 OR interdigital OR (plantar ADJ5 digital)).ti,ab.

5

(morton$1 ADJ5 (disease$1 OR neuroma$1 OR neuralgia$1)).ti,ab. OR metatarsalgia/ OR metatarsalgia$1.ti,ab.

6

1 OR 2

7

3 OR 4

8

6 AND 7

9

5 OR 8

10

exp animals/ NOT humans.sh.

11

9 NOT 10

12

(treat$5 OR intervention$2 OR therap$5 OR manag$5 OR procedur$2).ti,ab.

13

11 AND 12 (apply English language filter)