1. The Department of Otolaryngology, Head & Neck Surgery and Maxillofacial Surgery Tel‐Aviv Sourasky Medical Center, affiliated to the Sackler School of Medicine, Tel‐Aviv University Tel‐Aviv Israel
2. The Institute of Hematology, Tel‐Aviv Sourasky Medical Center Tel‐Aviv, Israel, affiliated to the Sackler School of Medicine, Tel‐Aviv University Tel‐Aviv Israel