Affiliation: | aOMNI Research Group, Department of Obstetrics and Gynecology, University of Ottawa, Canada;bHuaihua Medical College, Hunan, P.R. China;cOttawa Health Research Institute, Clinical Epidemiology Program, University of Ottawa, Canada;dCentral South University, Hunan, People's Republic of China;eStress and Anxiety Clinical Research Unit, Institute of Mental Health Research, University of Ottawa, Canada |