Authors: Roberto Romero; Piya Chaemsaithong; Steven J Korzeniewski; Juan P Kusanovic; Nikolina Docheva; Alicia Martinez-Varea; Ahmed I Ahmed; Bo Hyun Yoon; Sonia S Hassan; Tinnakorn Chaiworapongsa; Lami Yeo Journal: J Perinat Med Date: 2016-01 Impact factor: 1.901