1. From the Department of Epidemiology, School for Oncology and Developmental Biology (GROW), Maastricht University, Maastricht, Netherlands (JGH, LJS, and PAvdB); the Department Research and Development, Southern Region, Food and Consumer Product Safety Authority, Eindhoven, Netherlands (EJK); and the Department of Prevention and Health, TNO Quality of Life, Leiden, Netherlands (RAG)