Table 1 Search terms

#1

Gout* OR uric OR urate OR hyperuric*OR toph*

#2

“First metatarsophalangeal” OR “first metatarsal phalangeal” OR hallux OR “big toe” OR “first toe” OR digit OR podagra OR “1st mtp*” OR 1mtp* OR foot OR feet

#3

Imaging OR sonograph* OR ultraso* OR “doppler” OR radiograph* OR xray OR “magnetic resonance” OR mri OR “computed tomograph*” OR ct OR “dect” OR “dual energy”

#4

Histol* OR microscop*

#5

Function* OR gait OR walk* OR “plantar pressure” OR motion