About the Authors

Pablo Perel

Contributed equally to this work with: Pablo Perel, Zulma Ortiz

To whom correspondence should be addressed. E-mail: pablo.perel@lshtm.ac.uk

Juan P Casas
Zulma Ortiz

Contributed equally to this work with: Pablo Perel, Zulma Ortiz

J. Jaime Miranda

Competing Interests

The authors have declared that no competing interests exist.