Tideman P, Taylor AW, Janus E, Philpot B, Clark R, Peach E, Laatikainen T, Vartiainen E, Tirimacco R, Montgomerie A, Grant J, Versace V, Dunbar JA.
BMJ Open. 2013 Aug 23;3(8):e003203. doi: 10.1136/bmjopen-2013-003203. Erratum in: BMJ Open. 2014 Mar 12;4(3):e003203corr1.