AUTHOR=Noda Takamasa , Nishikawa Masako , Matsuda Yuki , Hayashi Daisuke , Kito Shinsuke TITLE=Efficacy and safety of low-frequency repetitive transcranial magnetic stimulation for bipolar depression: a study protocol for a multicenter, double-blind, randomized, sham-controlled trial JOURNAL=Frontiers in Psychiatry VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2025.1393605 DOI=10.3389/fpsyt.2025.1393605 ISSN=1664-0640