About the Authors

Rajnish Joshi, Arthur L Reingold
Division of Epidemiology, School of Public Health, University of California Berkeley, Berkeley, California, United States of America

Rajnish Joshi
Department of Medicine, Mahatma Gandhi Institute of Medical Sciences, Sevagram, Maharashtra, India

Dick Menzies, Madhukar Pai
Montreal Chest Institute, McGill University, Montreal, Canada

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

RJ, AR, DM, and MP conceived and designed the study. RJ and MP collected, analyzed, and interpreted the data. RJ and MP drafted the manuscript. RJ, AR, DM, and MP performed critical revision of the manuscript.