There are multiple definitions:

1. peer review organization(English)

2. Patient Resource Office(English)

   • Patient-centered (interest group)

3. Professional Review Organization(English)

4. Publicatie- en Reproductierechten Organisatie(Dutch)

   • Financial issues, Legal issues
   • https://www.stichting-pro.nl/

5. patient-reported outcome(English)

   • when completed by caregivers, or proxies, research has demonstrated that proxies rate patient outcomes worse than patients rate their own outcomes
   • HRQoL, POCO, VOCO, EMPRO, RCD, ePRO, SDRDS
   • Patient-centered (interest group), Quality and outcomes, Care giver/provider, Decision making
   • https://doi.org…LURE.120.007759
   • https://doi.org…OMES.121.007960
   • https://doi.org…17.5.FOCUS17188
   • https://doi.org…09.2012.02679.x
   • https://doi.org…062-6050-328-16