Pole of Pharmacology and Therapeutics, Institute of Experimental and Clinical Research (IREC), Université Catholique de Louvain (UCLouvain), B-1200 Brussels, Belgium. Pole of Morphology, Institute of Experimental and Clinical Research (IREC), UCLouvain, B-1200 Brussels, Belgium. Department of Ophthalmology, Cliniques Universitaires Saint Luc, UCLouvain, B-1200 Brussels, Belgium. Departement of Endocrinology, Cliniques Universitaires Saint Luc, UCLouvain, B-1200 Brussels, Belgium. Departement of Anatomopathology, Cliniques Universitaires Saint Luc, UCLouvain, B-1200 Brussels, Belgium. Departement of Surgery and Abdominal Transplantation, Cliniques Universitaires Saint Luc, UCLouvain, B-1200 Brussels, Belgium. Department of Plastic and Reconstructive Surgery, Cliniques Universitaires Saint-Luc, UCLouvain, B-1200 Brussels, Belgium.