[1] Univ Texas Southwestern Med Ctr Dallas, Dept Psychiat, Dallas, TX 75390 USA
[2] Univ Texas Southwestern Med Ctr Dallas, Dept Internal Med, Dallas, TX 75390 USA
[3] Childrens Med Ctr, Dept Psychiat, Dallas, TX 75235 USA
[4] Texas Hlth Presbyterian Hosp Dallas, Dept Psychiat, Dallas, TX USA