Correction: Essential Amino Acids in the Gluten-Free Diet and Serum in Relation to Depression in Patients with Celiac Disease

• Nathalie J. M. van Hees, 
• Erik J. Giltay, 
• Susanne M. A. J. Tielemans, 
• Johanna M. Geleijnse, 
• Thomas Puvill, 
• Nadine Janssen, 
• Willem van der Does