1. Department of Anesthesiology and Intensive Care and Department of Ophthalmology; Lund University and Skåne University Hospital; Lund; Sweden
2. Department of Ophthalmology; Lund University and Skåne University Hospital; Lund; Sweden
3. Department of Clinical Physiology; Lund University and Skåne University Hospital; Lund; Sweden
4. Division of Plastic & Reconstructive Surgery; University of California, San Francisco (UCSF); San Francisco; California
5. Department of Cardiothoracic Surgery; Lund University and Skåne University Hospital; Lund; Sweden