Table 1 Equations used to search for articles within databases

Pubmed/Medline

(microbiome*[Title/Abstract] OR microbiota[Title/Abstract] OR mycobiome*[Title/Abstract] OR mycobiota[Title/Abstract] OR virome[Title/Abstract] OR flore*[Title/Abstract] OR flora[Title/Abstract] OR microflor*[Title/Abstract] OR microbiota[MeSH Terms]) AND (diversity[Title/Abstract]) AND (asthma*[Title/Abstract] OR Asthma[MeSH Terms] OR COPD[Title/Abstract] OR ”chronic obstructive pulmonary disease”[Title/Abstract] OR ”Hypertension, Pulmonary”[MeSH Terms] OR ”cystic fibrosis”[Title/Abstract] OR ”Cystic Fibrosis”[MeSH Terms] OR bronchiecta*[Title/Abstract] OR ”pulmonary arterial hypertension”[Title/Abstract] OR ”Pulmonary Disease, Chronic Obstructive”[MeSH] OR lung disease*[Title/Abstract] OR bronchopulmonary disease*[Title/Abstract] OR pulmonary disease*[Title/Abstract] OR airways disease*[Title/Abstract])

Scopus

((TITLE-ABS(microbiome*) OR TITLE-ABS(microbiota) OR TITLE-ABS(mycobiome*) OR TITLE(mycobiota) OR TITLE-ABS(virome) OR TITLE-ABS(flore*) OR TITLE-ABS(flora) OR TITLE-ABS(microflor*)) AND (TITLE-ABS(diversity)) AND (TITLE-ABS(asthma*) OR TITLE-ABS(COPD) OR TITLE-ABS(”chronic obstructive pulmonary disease”) OR TITLE-ABS(”cystic fibrosis”) OR TITLE-ABS(bronchiecta*) OR TITLE-ABS(”pulmonary arterial hypertension”) OR TITLE-ABS(”lung disease*”) OR TITLE-ABS(”bronchopulmonary disease*”) OR TITLE-ABS(”pulmonary disease*”) OR TITLE-ABS(”airways disease*”)))