2.1 Methods
Since 2007, the guideline development process within the WHO has been overseen by the WHO Guidelines Review Committee (GRC), which follows internationally recognized standards such as the GRADE approach [Grading of Recommendations Assessment, Development, and Evaluation], to support a structured and transparent methodology for policy-making. The policy recommendations presented in the guideline document were developed following the standards and updated procedures as described in the WHO Handbook for Guideline Development.