Is there a right control condition in mHealth trials? A critical view on pain medicine. - Janosch A. Priebe; Thomas R. Tölle (npj Digit. Medicine, 2019)

App-based multidisciplinary back pain treatment versus combined physiotherapy plus online education: a randomized controlled trial. - Thomas R. Tölle; Daniel A. Utpadel-Fischler; Katharina-Kristina Haas; Janosch A. Priebe (npj Digit. Medicine, 2019)