1 Department of Plastic and Reconstructive Surgery, Brussels University Hospital - Vrije Universiteit Brussel (VUB), Laarbeeklaan 101, B-1090 Brussels, Belgium; Department of Plastic Surgery, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Papageorgiou General Hospital, 56403 Thessaloniki, Greece.
2 Department of Plastic and Reconstructive Surgery, Brussels University Hospital - Vrije Universiteit Brussel (VUB), Laarbeeklaan 101, B-1090 Brussels, Belgium; Department of Plastic Surgery, Delta Hospital, CHIREC Private Hospitals Group, Bd du Triomphe 201, 1160 Brussels, Belgium. Electronic address: Moustapha.hamdi@uzbrussel.be.