1. Department of Surgery, Health Sciences Division, Stritch School of Medicine, Loyola University Chicago, Maywood, IL 60153, USA
2. Burn and Shock Trauma Research Institute, Health Sciences Division, Stritch School of Medicine, Loyola University Chicago, Maywood, IL 60153, USA
3. Department of Mathematics and Statistics, Loyola University Chicago, Chicago, IL 60660, USA
4. Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN 55905, USA