Author information:
(1)Krieger Mind/Brain Institute, Johns Hopkins University, Baltimore, MD 21218, 
USA.
(2)Institute for Cell Engineering, Johns Hopkins University School of Medicine, 
Baltimore MD 21205 USA; Department of Neurology, Johns Hopkins University School 
of Medicine, Baltimore MD 21205 USA.
(3)Institute for Cell Engineering, Johns Hopkins University School of Medicine, 
Baltimore MD 21205 USA; Department of Neurology, Johns Hopkins University School 
of Medicine, Baltimore MD 21205 USA; Solomon H. Snyder Department of 
Neuroscience, Johns Hopkins University School of Medicine, Baltimore MD 21205 
USA.
(4)Werner-Reichardt Centre for Integrative Neuroscience, 72076 Tübingen, 
Germany.
(5)Krieger Mind/Brain Institute, Johns Hopkins University, Baltimore, MD 21218, 
USA; Solomon H. Snyder Department of Neuroscience, Johns Hopkins University 
School of Medicine, Baltimore MD 21205 USA. Electronic address: 
jknierim@jhu.edu.