Table 3.

Example search strategy for PubMed

Search	Query
#4	Search ((#3 NOT (animals(mh] NOT humans(mh))))
#3	Search (#1 AND #2)
#2	Search (South Africa(mh] OR South Africa*(tiab] OR RSA [tiab] OR Africa, Southern(mh:noexp)OR Southern Africa(tiab))
#1	Search (Multimorbidity OR multi-morbidity OR multimorbidity(tiab] OR “multi morbidities” OR multimorbidity(mh] OR multimorbidit* OR multimorbid OR multimorbidities OR multi-morbidit* OR “multiple morbidities” OR “multiple-morbidit*” OR multidisease* OR multi-disease* OR “multiple disorder” OR “multiple illness”