1. From the Department of Ophthalmology and
2. the Department of Intensive Care Medicine, University Hospital Bern and University of Bern, Bern, Switzerland;
3. the Institut de Recherche en Ophthalmologie, Sion, Switzerland;
4. the Pulmonary Division, University Hospital, Zurich, Switzerland; the 6Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland;
5. the Department of Surgery, State Hospital Liestal, Liestal, Switzerland; and
6. the Childrens Hospital, State Hospital Lucerne, Lucerne, Switzerland.