[1] Griffith Univ, Australian Inst Suicide Res & Prevent, Mt Gravatt Campus, Mt Gravatt, Australia
[2] Univ Vienna, Fac Psychol, Dept Dev & Educ Psychol, Liebiggasse 5, A-1010 Vienna, Austria
[3] Johann Wolfang Goethe Univ, Inst Gen Practice, Frankfurt, Germany
[4] Geriatr Res Grp, Brescia, Italy