About the Authors
- Raymond P. Najjar
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Current address: Psychiatry and Behavioral Sciences, Stanford University – Veterans Affairs Palo Alto Health Care System, Palo Alto, California, United States of America
Affiliations Inserm U846, Stem Cell and Brain Research Institute, Bron, France, University of Lyon, Claude Bernard Lyon 1, Villeurbanne, France
- Luzian Wolf
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Affiliation Wolf Technologieberatung - Object-Tracker, Perchtoldsdorf, Austria
- Jacques Taillard
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Affiliations University of Bordeaux, Sommeil, Attention et Neuropsychiatrie, USR 3413, Bordeaux, France, CNRS, Sommeil, Attention et Neuropsychiatrie, USR 3413, Bordeaux, France
- Luc J. M. Schlangen
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Affiliation Philips Research, High Tech Campus 34 5656AE, Eindhoven, The Netherlands
- Alex Salam
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Affiliation Institut Polaire Français Paul-Emile Victor (IPEV), Technopôle Brest-Iroise - BP 75, Plouzané, France
- Christian Cajochen
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Contributed equally to this work with: Christian Cajochen, Claude Gronfier
* E-mail: christian.cajochen@upkbs.ch (CC); claude.gronfier@inserm.fr (CG)
Affiliation Centre for Chronobiology Psychiatric University Clinic, University of Basel, Basel, Switzerland
- Claude Gronfier
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Contributed equally to this work with: Christian Cajochen, Claude Gronfier
* E-mail: christian.cajochen@upkbs.ch (CC); claude.gronfier@inserm.fr (CG)
Affiliations Inserm U846, Stem Cell and Brain Research Institute, Bron, France, University of Lyon, Claude Bernard Lyon 1, Villeurbanne, France
Competing Interests
Co-author Luc Schlangen is employed by Philips Lighting, Eindhoven. The experimental light (Philips, ActiViva Active, TLD 36 W, with a correlated color temperature of 17000 K) was used in this study. The Neurobehavioral Test Battery, the LightWatcher hardware, study coordination, and data processing related to the LightWatcher hardware was funded with company funds of Wolf Technologieberatung - Object-Tracker. There are no further patents, products in development or marketed products to declare. 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: CG CC JT. Performed the experiments: AS. Analyzed the data: RN LW JT AS CC CG. Contributed reagents/materials/analysis tools: LW LJMS. Wrote the paper: RN JT CC CG.