App-Controlled Treatment Monitoring and Support for Patients With Head and Neck Cancer Undergoing Radiotherapy: Results From a Prospective Randomized Controlled Trial

Tanja Sprave   ^{1, 2} , MD, MBA ;   Michelle Pfaffenlehner   ^{3, 4} , MSc ;   Raluca Stoian   ^{1, 2} , MD ;   Eleni Christofi   ^{1, 2} , MD ;   Alexander Rühle   ^{1, 2, 5, 6} , MD ;   Daniela Zöller   ^{3, 4} , PhD ;   Alexander Fabian   ^{1, 2, 7} , MD ;   Harald Fahrner   ¹ , BSc ;   Harald Binder   ^{3, 4} , PhD ;   Henning Schäfer   ^{1, 2} , MD ;   Eleni Gkika   ^{1, 2} , MD ;   Anca-Ligia Grosu   ^{1, 2} , MD ;   Felix Heinemann   ¹ , MD ;   Nils Henrik Nicolay   ^{1, 2, 5, 6} , MD, DPhil

¹ Department of Radiation Oncology, University of Freiburg Medical Center, Freiburg, Germany

² German Cancer Consortium (DKTK), Partner Site Freiburg, German Cancer Research Center (DKFZ), Heidelberg, Germany

³ Institute of Medical Biometry and Statistics, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany

⁴ Freiburg Center for Data Analysis and Modelling, University of Freiburg, Freiburg, Germany

⁵ Department of Radiation Oncology, University of Leipzig Medical Center, Leipzig, Germany

⁶ Comprehensive Cancer Center Central Germany, Partner Site Leipzig, Leipzig, Germany

⁷ Department of Radiation Oncology, University Hospital Schleswig-Holstein, Kiel, Germany