Table 1.

Definition of inclusion and exclusion criteria

	Inclusion Criteria	Exclusion Criteria
Setting-based criteria	•Outpatient •Home care setting (e.g. SLC, skilled nursing facilities, long-term care facilities)	•Intensive Care Unit •Hospital •Rehabilitation
Patient-based criteria	•Age ≥ 18	•Age < 18
Topic-based/ phenomena-related criteria	•HMV •Hygiene management	•Studies with focus on changes of pulmonary functions •Studies with primary focus pharmacological testing, e.g. antibiotics
Study design criteria	•Qualitative research •Quantitative research •Mixed methods research
Publication type criteria	•Language: German and English	•Abstracts, Letters, Editorials •Reviews •Development of instruments •Medical case studies •Expert opinion •Policy/ legal documents