About the Authors

Justin A. Lee

Affiliation Division of Endocrinology and Metabolism, Department of Medicine, University of Toronto, Ontario, Canada

Elise M. Halpern

Affiliation Division of Endocrinology and Metabolism, Department of Medicine, University of Toronto, Ontario, Canada

Leif E. Lovblom

Affiliation Division of Endocrinology and Metabolism, Department of Medicine, University of Toronto, Ontario, Canada

Emily Yeung

Affiliation Division of Neurology, Department of Medicine, University of Toronto, Ontario, Canada

Vera Bril

Affiliation Division of Neurology, Department of Medicine, University of Toronto, Ontario, Canada

Bruce A. Perkins

bperkins@mtsinai.on.ca

Affiliation Division of Endocrinology and Metabolism, Department of Medicine, University of Toronto, Ontario, Canada

Competing Interests

The authors have read the journal's policy and have the following conflicts: Bruce A. Perkins reports serving as an advisor to Neurometrix Inc. The remaining authors have declared that no competing interests exist. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: VB BAP. Performed the experiments: EMH LEL EY. Analyzed the data: JAL LEL BAP. Contributed reagents/materials/analysis tools: N/A. Wrote the paper: JAL EMH. Reviewed the manuscript for scholarly content and accuracy: JAL EMH LEL EY VB BAP.