1. Institute of Occupational, Social, Environmental Medicine, Faculty of Medicine, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany
2. Research Group Experimental Surgery, University Hospital Düsseldorf, 40225 Düsseldorf, Germany
3. Artemis Augenklinik, 60314 Frankfurt, Germany
4. Hyperbaric Oxygen Therapy, University Hospital Düsseldorf, 40225 Düsseldorf, Germany