Marianne JonkerMarianne Jonker is a biostatistician at the Radboud University Medical Center in Nijmegen. She studied mathematics and received her Ph.D. at the Vrije Universiteit Amsterdam, where she worked as an assistant professor in mathematics for some tme. She has done work as a biostatistician for the Leiden University Medical Center in Leiden and the VU University Medical Center in Amsterdam. Read More Read Less