1. President, Final Analysis, Inc., Dept. of Epidemiology & Biostatistics, Univ. of South Florida College of Public Health, Tampa, FL, US.
2. 3505 West Tacon Street Tampa, FL 33629-7928, US.
3. President, The Walsh Group, P.A., 6701 Democracy Blvd., Suite 300, Bethesda, MD, US.
4. Professor, Dept. of Epidemiology & Biostatistics, Univ. of South Florida College of Public Health, Tampa, FL, US.