1. Medical Oncology Department; Instituto Português de Oncologia de Lisboa Francisco Gentil; E.P.E. Lisbon Portugal
2. Underwater and Hyperbaric Medicine Center; Portuguese Navy; Lisbon Portugal
3. Naval Research Center; Almada Portugal
4. Nova Medical School; Lisbon Portugal
5. Otorhinolaryngology Department; Centro Hospitalar de Lisboa Norte, Hospital de Santa Maria; E.P.E. Lisbon Portugal
6. Radiation Oncology Department; Instituto Português de Oncologia de Lisboa Francisco Gentil; E.P.E. Lisbon Portugal
7. Biomedical Sciences and Medicine Department; Universidade do Algarve; Faro Portugal
8. Stomatology Department; Hospital do Espírito Santo; E.P.E. Évora Portugal
9. Maxillofacial Surgery Department; Centro Hospitalar de Lisboa Central, Hospital de São José; E.P.E. Lisbon Portugal
10. General Surgery Department; Centro Hospitalar de Lisboa Central, Hospital de São José; E.P.E. Lisbon Portugal
11. Clinical Trials Department; Instituto Português de Oncologia de Lisboa Francisco Gentil; E.P.E. Lisbon Portugal