1 Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, Netherlands. m.freeman@maastrichuniversity.nl.
2 Faculty of Forensic and Legal Medicine, David Jenkins Memorial Professor and Chair of Forensic and Legal Medicine, Royal College of Physicians, London, UK. m.freeman@maastrichuniversity.nl.
3 Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, Netherlands.