1 Israel Defense Forces, Medical Corps, Tel Hashomer, Ramat Gan, Israel.
2 Department of Otolaryngology-Head and Neck Surgery, Schneider Children's Medical Center, Petah Tikva, Israel.
3 Department of Military Medicine, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel.
4 Division of Thoracic and Esophageal Surgery the Cardiovascular Center, Tzafon Medical Center, Affiliated to Azrieli Faculty of Medicine, Bar-Ilan University, Poriya 1520800, Israel.