Falkenreck, J. M., M. Roheger, H. Weigert, A. Friese, P. Jahr, I. Becker, G. Nelles, E. Kalbe, and M. C. Polidori. “BrainProtect® - A Cognitive Training Program With Nutritional and Physical Counseling Components: A Retrospective Analysis of Its Effects in Healthy Individuals”. Geriatric Care, Vol. 6, no. 4, Nov. 2020, doi:10.4081/gc.2020.9328.