“…The present corpus of literature, published between 1812 and 2006 in six languages (English, Dutch, French, German, Italian and Spanish) in a variety of sources (original journal reports and review papers, book chapters, monographs, other books, and published medical dissertations), is larger than any of the previous reviews on suicide in twins. Research into suicide is well developed in Austria [33][34][35][36][37][38][39][40][41][42], including a number of recent contributions to this journal [21,[37][38][39][40][41][42], but no Austrian case reports or studies of suicide in twins emerged from the literature search.…”