1. Heritage College of Osteopathic Medicine, Department of Social Medicine, Ohio University, Dublin, OH, USA
2. Center for Perinatal Research, Research Institute, Nationwide Children’s Hospital, Columbus, OH, USA
3. Robert C. Byrd Health Sciences Center, West Virginia University School of Nursing, Morgantown, WV, USA
4. Heritage College of Osteopathic Medicine, Ohio University, Dublin, OH, USA