1. Jules-Gonin Eye Hospital, Lausanne University, FAA, Switzerland
2. Ophthalmology, Paul Scherrer Institut, Villigen, Switzerland
3. Pathology, Promed SA, Marly, Switzerland
4. Otorhinolaryngology, Fribourg Hospitals, Fribourg, Switzerland
5. Oncology, Fribourg Hospitals, Fribourg, Switzerland