title: Statistical points and pitfalls.
authors.affiliation: Maastricht University, Maastricht, The Netherlands. jimmie.leppink@maastrichtuniversity.nl.
authors.forename: Jimmie
authors.initials: J
authors.lastname: Leppink
authors.affiliation: University of California, San Francisco, USA.
authors.forename: Patricia
authors.initials: P
authors.lastname: O'Sullivan
authors.affiliation: University of Liverpool Online, Amsterdam, The Netherlands.
authors.forename: Kal
authors.initials: K
authors.lastname: Winston