Three patient recruitment centers are involved to allow a global sampling based on their geographical coverage:

• National University Of Ireland Galway (NUIG) www.nuigalway.ie
  Irish Centre for Autism and Neurodevelopment Research (ICAN), Ireland geraldine.leader@nuigalway.ie
• ASL Salerno, Italy reclutamento@gemma-project.eu
• The General Hospital Corporation, MGH, Boston, U.S.A., www.partners.org, mghgemma@mgh.harvard.edu