1. From the Departments of Otorhinolaryngology-Head and Neck Surgery,
2. Plastic Surgery and the Burn Unit,
3. The Women and Children's Health Research Unit,
4. The Biostatistics Unit in the Gertner Institute for Epidemiology and Health Policy Research, at The Chaim Sheba Medical Center, Tel Hashomer and Sackler School of Medicine, Tel-Aviv University.