1. Duke ADHD Program, Durham, North Carolina, USA.
2. Holmusk, Durham, North Carolina, USA.
3. KemPharm, Inc., Celebration, Florida, USA.
4. Corium, Inc., Grand Rapids, Michigan, USA.
5. Meridien Research, Maitland, Florida, USA.
6. SUNY Upstate Medical University, Syracuse, New York, USA.
7. Neuroscience Education Institute, Lakewood Ranch, Florida, USA.
8. Bayou City Research, Houston, Texas, USA.