1 Gastrointestinal Research Group, Inflammation Research Network, Host-Parasite Interactions Program, Department of Physiology and Pharmacology, Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Canada.
2 Gastrointestinal Research Group, Inflammation Research Network, Host-Parasite Interactions Program, Department of Physiology and Pharmacology, Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Canada. Electronic address: dmckay@ucalgary.ca.