1. Department of Family and Social Medicine, Albert Einstein College of Medicine, Bronx, NY
2. Informations System and Operations Management Department, HEC, Paris, France
3. Division of Critical Care Medicine, Department of Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY
4. Decision, Risk, and Operations, Columbia Business School, New York, NY
5. Industrial Engineering and Operations Research Department, Columbia University, New York, NY