About the Authors

Michael G. B Blum

To whom correspondence should be addressed. E-mail: michael.blum@imag.fr

Affiliations Laboratoire TIMC-TIMB, Faculté de Médecine, Grenoble, France , Laboratoire Ecologie, Systématique, et Evolution, Université Paris-Sud, Orsay, France , Department of Human Genetics, University of Michigan, Ann Arbor, Michigan, United States of America

Evelyne Heyer

Affiliation Laboratoire d'Anthropologie Biologique, Musée de l'Homme, Paris, France

Olivier François

Affiliation Laboratoire TIMC-TIMB, Faculté de Médecine, Grenoble, France

Fréderic Austerlitz

Affiliation Laboratoire Ecologie, Systématique, et Evolution, Université Paris-Sud, Orsay, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

MGBB, EH, and FA conceived and designed the experiments. MGBB performed the experiments. MGBB analyzed the data. MGBB and OF contributed reagents/materials/analysis tools. MGBB and FA wrote the paper.