1. Department of Ophthalmology, VU University Medical Center, Amsterdam, the Netherlands
2. The EMGO Institute for Health and Care Research (EMGO+), VU University Medical Center Amsterdam, the Netherlands.
3. Royal Visio (formerly Sensis), Department of Development & Implementation, sector Innovation & Expertise, Grave, the Netherlands
4. Department of Ophthalmology, Elkerliek Hospital, Helmond, the Netherlands