https://www.cyclingweekly.com/news/latest-news/olivier-kaisen-retires-pro-cycling-heart-problem-114370
Olivier Kaisen retires from pro cycling with heart problem | Cycling Weekly
Feb 11, 2014 - Olivier Kaisen (Lotto-Belisol) forced to end professional cycling career due to heart problem
olivier kaisenpro cyclingheart problemretiresweekly