*Changing self-perceptions on aging to enhance personal resources for the promotion of physical activity in older people. A pilot study to test the effectiveness of an evidence-based intervention in 4 countries (France, Germany, Italy, Romania) - Craciun, Catrinel; Wolff, Julia; Wurm, Susanne; Warner, Lisa Marie; Greco, Andrea; Monzani, Dario; Bazillier, Cécile (European Health Psychologist, 2014)