1. Schepens Eye Research Institute/Massachusetts Eye and Ear Boston Massachusetts
2. Department of Ophthalmology Harvard Medical School Boston Massachusetts
3. Department of Medical Biochemistry Oslo University Hospital Oslo Norway
4. Department of Plastic and Reconstructive Surgery Oslo University Hospital Oslo Norway
5. Faculty of Medicine Institute of Clinical Medicine, University of Oslo Oslo Norway
6. Department of Anesthesiology, Perioperative and Pain Medicine Center for Experimental Therapeutics and Reperfusion Injury, Brigham and Women's Hospital, Harvard Medical School Boston Massachusetts