1. Virginia Institute for Psychiatric and Behavioral Genetics; Virginia Commonwealth University; Richmond VA USA
2. Department of Biochemistry and Molecular Biology; Indiana University School of Medicine; Indianapolis IN USA
3. Department of Psychiatry; Washington University School of Medicine; St. Louis MO USA
4. Department of Genetics; Texas Biomedical Research Institute; San Antonio TX USA
5. Department of Psychiatry; University of California-San Diego; La Jolla CA USA
6. Department of Psychiatry; University of Iowa College of Medicine; Iowa City IA USA
7. Department of Genetics; Rutgers University; Piscataway NJ USA
8. Department of Psychiatry; State University of New York; Brooklyn NY USA