TY - JOUR A1 - Simpson, D. A1 - Rue, H. A1 - Riebler, A. A1 - Martins, T. A1 - Sørbye, S. T1 - Penalising model component complexity: A principled, practical approach to constructing priors (with discussion Y1 - 2017 DO - 10.1214/16-STS576 VL - 32 ER -