1. Michael G. DeGroote Institute for Pain Research and Care, McMaster University, Hamilton, ON, Canada
2. Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
3. Department of Clinical Pathomorphology, Medical University of Lublin, Lublin, Poland
4. Department of Anaesthesiology and Intensive Therapy, Medical University of Lublin, Lublin, Poland
5. Department of Medicine, Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, ON, Canada
6. Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada