1. Division of Biostatistics; Washington University School of Medicine; St. Louis MO USA
2. Berry Consultants; Austin TX USA
3. Department of Neurology; Washington University School of Medicine; St. Louis MO USA
4. F. Hoffmann-La Roche Ltd.; Basel Switzerland
5. Department of Statistics and Data Sciences; University of Texas at Austin; Austin TX USA
6. Lilly Research Laboratories; Indianapolis IN USA