1. Department of Oculoplastic, Orbital and Lacrimal Surgery, The Rotterdam Eye Hospital, Rotterdam, The Netherlands
2. Department of Pathology, Section Ophthalmic Pathology, Erasmus MC, University Medical Center Rotterdam, The Netherlands
3. Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, The Netherlands
4. Department of Ophthalmology, Orbital Service, Erasmus MC, University Medical Center Rotterdam, The Netherlands