1. From the Department of Human Biology, Maastricht University, Maastricht, Netherlands (PLLG and RPM); the Technical University of Munich, Nuclear Medicine Department, Klinikum rechts der Isar, Germany (MES); the Division of Human Nutrition, Wageningen University, Wageningen, Netherlands (PLZ and MBK); and Wageningen Centre for Food Sciences, Wageningen, Netherlands (PLZ, MBK, and RPM)