1. Faculty of Biology and Medicine, Lausanne University, 1011 Lausanne, Switzerland
2. Department of Visceral Surgery, Centre Hospitalier Universitaire Vaudois—CHUV, Lausanne University Hospital, 1011 Lausanne, Switzerland
3. Service of Adult Intensive Care Medicine, Centre Hospitalier Universitaire Vaudois—CHUV, Lausanne University Hospital, 1011 Lausanne, Switzerland