[1
]
Department of Surgery and Department of Biomedicine, University Hospital Basel, University
of Basel, Basel, Switzerland.
[2
]
Department of Surgery and Department of Biomedicine, University Hospital Basel, University
of Basel, Basel, Switzerland. Electronic address: martin.haug@usb.ch.
[3
]
Institute of Pathology, University Hospital Basel, University of Basel, Basel, Switzerland.
[4
]
Department of Plastic Surgery, Guy's and St Thomas' Hospital, London, UK.
[5
]
Department of Surgery and Department of Biomedicine, University Hospital Basel, University
of Basel, Basel, Switzerland. Electronic address: ivan.martin@usb.ch.