Pilot study of a smartphone-based tinnitus therapy using structured counseling and sound therapy: A multiple-baseline design with ecological momentary assessment - Engelke, M.; Simões, J.; Vogel, C.; Schoisswohl, S.; Schecklmann, M.; Wölflick, S.; Pryss, R.; Probst, T.; Langguth, B.; Schlee, Winfried (My University, 2023)