Table 1. Inclusion and exclusion criteria.

Inclusion Criteria
1. Types of the literature:	peer-reviewed studies, PhD dissertations, official laws and regulations, policy documents and executive documents
2. Publication language:	English, Chinese and Vietnamese
3. Study Design:	Objective 1: At least one of the following study designs should be used: case-control study, cohort study, retrospective study, cross-sectional study, before and after comparison, pilot study, and stimulated methods.
	Objective 2: At least one of the following study designs should be used: case studies, qualitative studies, case-control study, cohort study, retrospective study, cross-sectional study, before and after comparison, pilot study
4. Data collection:	Objective 1: At least one of the methods should be used: household survey, population-based survey (patient, service user), facility survey (service providers, pharmacies, or health facilities), or prescription analysis
	Objective 2: At least one of the methods should be used: interview, household survey, population-based survey (patient, service user), facility survey (service providers, pharmacies, or health facilities), or prescription analysis
5. Study population:	General population of all ages, or patients of both common or specific diseases (i.e., cold, cough, reproductive transmitted infection, TB, HIV/AIDS
Exclusion Criteria
1. Publication type	Commentary, editorial, letter to the editor, books and book chapter, lecture, systematic review, narrative review and meta-analysis review
2. Study design:	Biopharmaceutical, laboratory studies and studies that did not report study designs/data collection methods/sampling framework/sample size/study population.
3. Sample size:	Objective 1: Studies with a sample size of less than 50 people and/or 30 prescriptions per facility and/or minimum of 2 pharmacies/health facilities
	Objective 2: Except for case studies, studies with a sample size less than 50 people and/or 30 prescriptions per facility and/or minimum of 2 pharmacies/health facilities
4. Studies that are about:	Traditional medicine or drug/addictive substance abuse (i.e., heroin, etc.); about Hong Kong, Macao and Taiwan
5. Duplications:	If two or more studies share similar databases, study population and/or study topic, the quality of the studies should be assessed by two reviewers. The study with the best study design should be included, and others should be excluded. If these studies also have similar study designs, the most recently published study should be included