Wolkewitz Martin, Puljak Livia
Institute of Medical Biometry and Statistics, Faculty of Medicine and Medical Center, University of Freiburg, 79104, Freiburg, Germany.
Center for Evidence-Based Medicine and Health Care, Catholic University of Croatia, Ilica 242, 10000, Zagreb, Croatia.
BMC Med Res Methodol. 2020 Apr 14;20(1):81. doi: 10.1186/s12874-020-00972-6.