Authors: Dzioba A, Aalto D, Papadopoulos-Nydam G, Seikaly H, Rieger J, Wolfaardt J, Osswald M, Harris JR, O'Connell DA, Lazarus C, Urken M, Likhterov I, Chai RL, Rauscher E, Buchbinder D, Okay D, Happonen RP, Kinnunen I, Heikki I, Soukka T, Laine J, Head and Neck Research Network