1. Bioinformatics Support Program, Research and Education Services, Cushing/Whitney Medical Library, Yale University, New Haven, CT, United States of America
2. Science Libraries, Lewis Science Library, Princeton University, Princeton, NJ, United States of America
3. Pulmonary Critical Care & Sleep Medicine, Yale School of Medicine, Yale University, New Haven, CT, United States of America
4. Service commun de la documentation, Université Denis Diderot (Paris VII), Paris, France