About the Authors

Otto Appenzeller

To whom correspondence should be addressed. E-mail: oarun@unm.edu

Affiliation New Mexico Health Enhancement and Marathon Clinics Research Foundation, Albuquerque, New Mexico, United States of America

Clifford Qualls

Affiliation Department of Mathematics and Statistics, University of New Mexico, Albuquerque, New Mexico, United States of America

Franca Barbic

Affiliation Medicina Interna II, Ospedale L. Sacco, Università degli Studi di Milano, Milan, Italy

Raffaello Furlan

Affiliation Medicina Interna II, Ospedale L. Sacco, Università degli Studi di Milano, Milan, Italy

Alberto Porta

Affiliation Dipartimento di Tecnologie per la Salute, IRCCS Istituto Ortopedico Galeazzi, Università degli Studi di Milano, Milan, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: OA. Performed the experiments: OA FB. Analyzed the data: AP CQ RF. Contributed reagents/materials/analysis tools: FB. Wrote the paper: OA. Other: Reviewed manuscript: FB RF AP CQ.