1. Child and Adolescent Psychiatry, Cambridge Health Alliance, Cambridge, Massachusetts, USA.
2. Clinical and Research Programs in Pediatric Psychopharmacology and Adult ADHD, Massachusetts General Hospital, Boston, Massachusetts, USA.
3. Department of Psychiatry, University of Alberta, Edmonton, Alberta, Canada.
4. Department of Neurology, Boston Children's Hospital, Boston, Massachusetts, USA.
5. Imbrium Therapeutics, a subsidiary of Purdue Pharma L.P., Stamford, Connecticut, USA.
6. Purdue Pharma L.P., Stamford, Connecticut, USA.
7. Purdue Pharma Canada, Pickering, Ontario, Canada.