1. S2 Statistical Solutions, Inc., Cincinnati, OH, USA
2. Department of Political Science, Economics, and Philosophy, College of Staten Island/CUNY, Staten Island, NY, USA
3. Departments of Preventive Medicine & Economics, Stony Brook University, Stony Brook, NY, USA
4. Harvard Medical School, Boston, MA, USA
5. Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA,
6. Centocor Ortho Biotech Services, LLC, Horsham, PA, USA