Table 1 Search syntax per search engine. Search conducted on 15th March of 2015

PubMed:

(calcaneus[tiab] OR calcaneum[tiab] OR calcaneal[tiab] OR calcis[tiab] OR kalkaneus[tiab] OR (heel[tiab] AND bone[tiab]) OR fersenbein[tiab] OR hielbeen[tiab] OR hielbot[tiab] OR calcanean[tiab] OR calcanea[tiab]) AND (fracture[tiab] OR fractures[tiab] OR lesion[tiab] OR lesions[tiab] OR broken[tiab] OR fractured[tiab] OR splintered[tiab] OR displaced[tiab] OR displacement[tiab] OR discontinuity[tiab] OR discontinuities[tiab] OR gebroken[tiab] OR fracture[tiab] OR frakturen[tiab] OR fractuur[tiab] OR fracturen[tiab] OR fragmentation[tiab] OR fragmented[tiab] OR fragment[tiab] OR cleavage[tiab] OR cleavages[tiab]) AND (sf36[tiab] OR sf-36[tiab] OR (sf[tiab] AND 36[tiab]) OR (health[tiab] AND (survey[tiab] OR surveys[tiab] OR review[tiab] OR reviews[tiab] OR questionnaire[tiab] OR questionnaires[tiab])) OR (short[tiab] AND (form[tiab] OR form-36[tiab])) OR short-form[tiab] OR euroqol[tiab] OR euroqol-5[tiab] OR euroqol-6[tiab] OR eq-5d[tiab] OR eq-6d[tiab] OR (quality[tiab] AND life[tiab]) OR ((clinical[tiab] OR functional[tiab]) AND (assessment[tiab] OR score[tiab] OR scores[tiab] OR outcome[tiab] OR outcomes[tiab])))

Embase:

calcaneus:ab,ti OR calcaneum:ab,ti OR calcaneal:ab,ti OR calcis:ab,ti OR kalkaneus:ab,ti OR (heel:ab,ti AND bone:ab,ti) OR fersenbein:ab,ti OR hielbeen:ab,ti OR hielbot:ab,ti OR calcanean:ab,ti OR calcanea:ab,ti AND (fractures:ab,ti OR lesion:ab,ti OR lesions:ab,ti OR broken:ab,ti OR fractured:ab,ti OR splintered:ab,ti OR displaced:ab,ti OR displacement:ab,ti OR discontinuity:ab,ti OR discontinuities:ab,ti OR gebroken:ab,ti OR fracture:ab,ti OR frakturen:ab,ti OR fractuur:ab,ti OR fracturen:ab,ti OR fragmentation:ab,ti OR fragmented:ab,ti OR fragment:ab,ti OR cleavage:ab,ti OR cleavages:ab,ti) AND (sf36:ab,ti OR ‘sf 36’:ab,ti OR (sf:ab,ti AND 36:ab,ti) OR (health:ab,ti AND (survey:ab,ti OR surveys:ab,ti OR review:ab,ti OR reviews:ab,ti OR questionnaire:ab,ti OR questionnaires:ab,ti)) OR (short:ab,ti AND (form:ab,ti OR ‘form 36’:ab,ti)) OR ‘short form’:ab,ti OR euroqol:ab,ti OR ‘euroqol 5’:ab,ti OR ‘euroqol 6’:ab,ti OR ‘eq 5d’:ab,ti OR ‘eq 6d’:ab,ti OR (quality:ab,ti AND life:ab,ti) OR (clinical:ab,ti OR functional:ab,ti AND (assessment:ab,ti OR score:ab,ti OR scores:ab,ti OR outcome:ab,ti OR outcomes:ab,ti)))

Cochrane Library: searched in title, abstract and keywords

(calcaneus OR calcaneum OR calcaneal OR calcis OR kalkaneus OR (heel AND bone) OR fersenbein OR hielbeen OR hielbot OR calcanean OR calcanea) AND (fracture OR fractures OR lesion OR lesions OR broken OR fractured OR splintered OR displaced OR displacement OR discontinuity OR discontinuities OR gebroken OR fracture OR frakturen OR fractuur OR fracturen OR fragmentation OR fragmented OR fragment OR cleavage OR cleavages) AND (sf36 OR sf-36 OR (sf AND 36) OR (health AND (survey OR surveys OR review OR reviews OR questionnaire OR questionnaires)) OR (short AND (form OR form-36)) OR short-form OR euroqol OR euroqol-5 OR euroqol-6 OR eq-5d OR eq-6d OR (quality AND life) OR ((clinical OR functional) AND (assessment OR score OR scores OR outcome OR outcomes)))