1. Department of Endodontics University of Texas Health Science Center at San Antonio San Antonio TX USA
2. School of Behavioral and Brain Sciences and Center for Advanced Pain Studies University of Texas at Dallas Richardson TX USA
3. Department of Pharmacology University of Texas Health Science Center at San Antonio San Antonio TX USA
4. Inserm U1151 Université Paris Descartes Paris France
5. Centre for Neuroendocrinology and Department of Anatomy University of Otago School of Biomedical Sciences Dunedin New Zealand
6. Department of Pharmacology and Toxicology Center for Molecular Signaling (PZMS) Saarland University School of Medicine Homburg Germany