1. Department of Molecular Physiology and Biophysics University of Iowa Iowa City IA USA
2. Neuroscience Research Division Eli Lilly and Company, Lilly Corporate Center Indianapolis IN USA
3. Molecular and Cellular Biology Program University of Iowa Iowa City IA USA
4. Maurice Wilkins Centre and Centre for Brain Research, School of Biological Sciences University of Auckland Auckland New Zealand
5. Quantitative Biology Eli Lilly and Company, Lilly Corporate Center Indianapolis IN USA
6. Department of Neurology University of Iowa Iowa City IA USA
7. Veterans Affairs Medical Center Iowa City IA USA