About the Authors

Anthony C. Fletcher

Affiliation Salix Management Consultants Ltd, London, United Kingdom

Philip E. Bourne

pbourne@ucsd.edu

Affiliations Department of Pharmacology, University of California San Diego, La Jolla, California, United States of America, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.