1. Plastic, Reconstructive & Craniomaxillofacial Surgery Unit, Centro Hospitalar Vila Nova Gaia/Espinho, Gaia, Portugal
2. Plastic Surgery and Burns Unit, Hospitais
da Universidade de Coimbra, Coimbra, Portugal
3. Plastic and Maxillofacial Surgery Unit,
Hospital da Força Aérea Portuguesa, Lisboa, Portugal