1 Department of Radiology, University of Iowa, Iowa City, IA, USA.
2 Department of Psychiatry, University of Iowa, Iowa City, IA, USA.
3 Department of Electrical and Computer Engineering, University of Iowa, Iowa City, IA, USA.
4 1] Department of Psychiatry, University of Iowa, Iowa City, IA, USA [2] Department of Epidemiology, University of Iowa, Iowa City, IA, USA [3] Department of Internal Medicine, University of Iowa, Iowa City, IA, USA.
5 1] Department of Radiology, University of Iowa, Iowa City, IA, USA [2] Department of Psychiatry, University of Iowa, Iowa City, IA, USA.
6 1] Department of Psychiatry, University of Iowa, Iowa City, IA, USA [2] Veteran Affairs Hospital Center, Iowa City, IA, USA.