Feasibility and Possible Effects of Mindful Walking and Moderate Walking in Breast Cancer Survivors: A Randomized Controlled Pilot Study With a Nested Qualitative Study Part oleh Maren Luise Schröder, Barbara Stöckigt MD, Sylvia Binting, Tatjana Tissen-Diabaté, Nikola Bangemann MD, PD, Ute Goerling PsyD, Matthias Kröz MD, Jens-Uwe Blohmer MD, Miriam Ortiz MD, PD, Benno Brinkhaus MD