1. Research Scholar, Research department, The Hastings Center, New York, USA
2. Professor, The Robert F. Wagner School of Public Service, New York University, New York, USA
3. Associate Research Scientist, The Robert N. Butler Columbia Center on Aging, Columbia University – International Longevity Center, New York, USA
4. Statistician, Service de Biostatistique et d’Informatique Médicale (DIM), Centre Hospitalier Universitaire, France
5. Researcher, Service de Biostatistique et d’Informatique Médicale (DIM), Centre Hospitalier Universitaire, Dijon, France
6. Researcher, INSERM U866, Université de Bourgogne, France
7. Researcher, INSERM, CIC1432, France