1. Faculty of Industrial Engineering and Management, Technion; Israel institute of Technology; Haifa Israel
2. Faculty of Industrial Engineering and Management, Technion; Israel institute of Technology, Haifa, Israel, and Division of Medical Sciences, Harvard Medical School, Harvard University; Boston MA USA
3. Faculty of Medicine, Technion, Israel; institute of Technology; Haifa 32000 Israel
4. Faculty of Industrial Engineering and Management, Technion; Israel institute of Technology, Haifa, Israel, and Engineering Systems Division, Massachusetts Institute of Technology; Cambridge MA USA