Table 1 Medline Search Strategy

1

Tuberculosis, Pulmonary/ Or Mycobacterium tuberculosis/ Or Tuberculosis/ Or Latent Tuberculosis/ Or Tuberculosis, Multidrug-Resistant/ Or Extensively Drug-Resistant Tuberculosis/

2

limit 1 to yr = “2016 -Current”

3

(delay or barrier or diagnostic error* or access or late).mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept word, rare disease supplementary concept word, unique identifier, synonyms]

4

limit 3 to yr = “2016 -Current”

5

(qualitative or interview$ or focus group$ or phenomenology or ethnograph$ or grounded theory or observation$ or field stud$ or case stud$).mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept word, rare disease supplementary concept word, unique identifier, synonyms]

6

limit 5 to yr = “2016 -Current”

7

NIGERIA/

8

limit 7 to yr = “2016 -Current”

9

2 and 4 and 6 and 8