1. The Peter O'Donnell Jr. Brain Institute and the Department of Psychiatry University of Texas Southwestern Medical Center Dallas Texas USA
2. Peter O'Donnell Jr. School of Public Health University of Texas Southwestern Medical Center Dallas Texas USA
3. Nationwide Children's Hospital The Ohio State University Columbus Ohio USA
4. Center for Depression Research and Clinical Care, Peter O'Donnell Jr. Brain Institute and the Department of Psychiatry University of Texas Southwestern Medical Center Dallas Texas USA
5. University of Texas Health Science Center at San Antonio San Antonio Texas USA
6. Department of Psychiatry and Behavioral Sciences University of Texas Medical Branch Galveston Texas USA
7. The Department of Psychiatry Texas Tech University Health Science Center Lubbock Texas USA