About the Authors
- Jaak Panksepp
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* E-mail: jpanksepp@vetmed.wsu.edu
Affiliation Department of Veterinary & Comparative Anatomy, Pharmacology and Physiology College of Veterinary Medicine, Washington State University, Pullman, Washington, United States of America
Competing Interests
The author has declared that no competing interests exist.
Author Contributions
Wrote the paper: JP.