Protocol compliance in a multicentric phase III trial investigating scheduled adaptive radiotherapy and dose painting in head and neck cancer

Anna Liza M.P. de Leeuw, Jordi Giralt, Yungan Tao, Sergi Benavente, Thanh Vân F. Nguyen, Frank J.P. Hoebers, Ann Hoeben, Chris H.J. Terhaard, Lip Wai Lee, Signe Friesland, Roel J.H.M. Steenbakkers, Lisa Tans, Simon R. van Kranen, Jeroen B. van de Kamer, Harry Bartelink, Coen R.N. Rasch, Jan Jakob Sonke, Olga Hamming-Vrieze^*