Table 3 Search strategy of MEDLINE via PubMed

Architecture

= #1

(“Health Facility Environment”[Mesh]) OR construct* OR architect* OR design* OR ward*

Single patient room

= #2

(“Patients’ Rooms”[Mesh]) OR single OR single patient OR privat* OR single bed

Infection

= #3

(“Infection Control”[Mesh]) OR (“Cross Infection”[MeSH Terms]) OR transmiss* OR nosocomial*

Time limit

= #4

Limit to “1990/01/01”[PDAT] : “2015/12/31”[PDAT]

Language limit

= #5

Limit to (English[lang] OR French[lang] OR German[lang] OR Spanish[lang])

#1 AND #2 And #3 AND #4