This study was supported by the National Institute of Mental Health
(grant U01 MH081984 to Dr. Addington; grants U01 MH081928; P50
MH080272; Commonwealth of Massachusetts SCDMH82101008006
to Dr. Seidman; grants R01 MH60720, U01 MH082022 and K24
MH76191 to Dr. Cadenhead; grant U01 MH081902 to Dr. Cannon; P50
MH066286 (Prodromal Core) to Dr. Bearden; grant U01 MH082004 to
Dr. Perkins; grant U01 MH081988 to Dr. Walker; grant U01
MH082022 to Dr. Woods; and U01 MH081857-05 grant to Dr.
Cornblatt). The NIMH had no further role in study design; in the collection,
analysis and interpretation of data; in the writing of the report; and
in the decision to submit the paper for publication.