PPR involves a wide range of participants, including:
- Researchers: Other scientists in the field who can provide expert assessments of the published work. - Clinicians: Medical professionals who can evaluate the clinical relevance and applicability of the research. - Patients: In some cases, patient advocates or patients themselves can offer valuable insights, especially in patient-centered research. - Journal Editors: They oversee the PPR process and ensure that reviews are conducted fairly and constructively.