Effectiveness of brief intervention and contact for suicide attempters: a randomized controlled trial in five countries oleh Alexandra Fleischmann, José M Bertolote, Danuta Wasserman, Diego De Leo, Jafar Bolhari, Neury J Botega, Damani De Silva, Michael Phillips, Lakshmi Vijayakumar, Airi Värnik, Lourens Schlebusch, Huong Tran Thi Thanh