HUG, Geneva, Switzerland
University Hospital Geneva, Geneva 14, Switzerland
Geneva University Hospital, Geneva, Switzerland
Humanitas Universtity Hospitals, Milan, Rozzano (Milano), Italy
Dublin University College, department of colorectal surgery, Dublin, Ireland
Geneva University Hospitals, Service of Visceral Surgery, Geneva, Switzerland
Geneva University Hospitals, ED, Geneva, Switzerland
Hôpitaux Universitaires de Genève, Genève, Switzerland
Centre de Recherche Clinique, HUG, Rue Gabrielle Perret-Gentil 4, Genève, Switzerland
Geneva University Hospital, Geneva, Switzerland
Foothills Medical Centre, Calgary, Calgary/Alberta, Canada
Hamilton General Hospital, Hamilton, Ontario, Canada
The Ottawa Hospital, Ottawa, Canada
University Hospital Geneva, Geneva 14, Switzerland