Table 1 PubMed search strategy for identifying studies

#1

(“pulmonary disease, chronic obstructive”[MeSH Terms] OR (“pulmonary”[All Fields] AND “disease”[All Fields] AND “chronic”[All Fields] AND “obstructive”[All Fields]) OR “chronic obstructive pulmonary disease”[All Fields] OR (“chronic”[All Fields] AND “obstructive”[All Fields] AND “pulmonary”[All Fields] AND “disease”[All Fields])) OR (“pulmonary disease, chronic obstructive”[MeSH Terms] OR (“pulmonary”[All Fields] AND “disease”[All Fields] AND “chronic”[All Fields] AND “obstructive”[All Fields]) OR “chronic obstructive pulmonary disease”[All Fields] OR “copd”[All Fields]) OR (“pulmonary disease, chronic obstructive”[MeSH Terms] OR (“pulmonary”[All Fields] AND “disease”[All Fields] AND “chronic”[All Fields] AND “obstructive”[All Fields]) OR “chronic obstructive pulmonary disease”[All Fields] OR (“chronic”[All Fields] AND “obstructive”[All Fields] AND “airway”[All Fields] AND “disease”[All Fields]) OR “chronic obstructive airway disease”[All Fields]) OR (“pulmonary disease, chronic obstructive”[MeSH Terms] OR (“pulmonary”[All Fields] AND “disease”[All Fields] AND “chronic”[All Fields] AND “obstructive”[All Fields]) OR “chronic obstructive pulmonary disease”[All Fields] OR “coad”[All Fields]) OR (“pulmonary disease, chronic obstructive”[MeSH Terms] OR (“pulmonary”[All Fields] AND “disease”[All Fields] AND “chronic”[All Fields] AND “obstructive”[All Fields]) OR “chronic obstructive pulmonary disease”[All Fields] OR (“chronic”[All Fields] AND “obstructive”[All Fields] AND “lung”[All Fields] AND “disease”[All Fields]) OR “chronic obstructive lung disease”[All Fields]) OR (airway[All Fields] AND flow[All Fields] AND obstruction[All Fields]) OR (chronic[All Fields] AND airway[All Fields] AND flow[All Fields] AND obstruction[All Fields]) OR (“bronchitis, chronic”[MeSH Terms] OR (“bronchitis”[All Fields] AND “chronic”[All Fields]) OR “chronic bronchitis”[All Fields] OR (“chronic”[All Fields] AND “bronchitis”[All Fields])) OR (“pulmonary emphysema”[MeSH Terms] OR (“pulmonary”[All Fields] AND “emphysema”[All Fields]) OR “pulmonary emphysema”[All Fields])

#2

(“hiv”[MeSH Terms] OR “hiv”[All Fields]) OR (“acquired immunodeficiency syndrome”[MeSH Terms] OR (“acquired”[All Fields] AND “immunodeficiency”[All Fields] AND “syndrome”[All Fields]) OR “acquired immunodeficiency syndrome”[All Fields] OR “aids”[All Fields])

#3

#1 AND #2

#4

#3 Limits: from inception to 2016/12/31