1. Departments of Psychology, University of Iowa, Iowa City, Iowa; and
2. Zhang Zhongjing College of Chinese Medicine, Nanyang Institute of Technology, Henan, China
3. Department of Physiology, University of Arizona, Tucson, Arizona;
4. Evelyn F. McKnight Brain Institute, Tucson, Arizona; and
5. Department of Pharmacology, University of Iowa, Iowa City, Iowa;
6. François M. Abboud Cardiovascular Research Center, University of Iowa, Iowa City, Iowa;