The ExCITE-BA Trial: Effects of physical activity plus behavioral activation on preserving cognitive function in elderly patients with mild cognitive im-pairment : Protocol for a randomized, controlled, phase II, parallel, single-blinded, superiority trial . PPCR [Internet]. 2022 Dec. 19 [cited 2024 Jul. 3];8(3):29-36. Available from: https://journal.ppcr.org/index.php/ppcrjournal/article/view/195