Chatton, Anne, and Bengt Kayser. “Self-Reported Health, Physical Activity and Socio-Economic Status of Middle-Aged and Elderly Participants in a Popular Road Running Race in Switzerland: Better off Than the General Population?”. Swiss Medical Weekly 143, no. 0102 (December 30, 2012): w13710. Accessed April 18, 2024. https://smw.ch/index.php/smw/article/view/1801.