1. BioPhysics and Biocomplexity and Department of Experimental Pathology; C.I. G. Interdepartmental Centre L. Galvani for Integrated Studies on Bioinformatics; University of Bologna; Bologna 40126 Italy
2. BGI Shenzhen Shenzhen 518083 China
3. Department of Cell Biology; University of Calabria; Rende 87036 Italy
4. Institute of Clinical Medicine; University of Oulu; Oulu University Hospital and MRC Oulu; Oulu 90014 Finland
5. Institute of Gerontology; Kiev 252114 Ukraine
6. Centre Polymorphisme Humaine; Fondation Jean Dausset; Paris 75010 France
7. University of Tampere; Tampere 33014 Finland
8. Institute of Public Health; University of Southern Denmark; Odense 5230 Denmark
9. University of Sassari; Sassari 07100 Italy
10. National Hellenic Research Foundation; Athens 116 35 Greece
11. School of Clinical Medical Sciences; Gerontology “Henry Wellcome”; University of Newcastle upon Tyne; Newcastle upon Tyne NE1 3BZ UK
12. University of Aarhus; Aarhus 8000 Denmark
13. Research & Innovation Soc.Coop. a r.l.; Padova 35127 Italy
14. IFOM-Fondazione Istituto FIRC di Oncologia Molecolare; Milano 20139 Italy
15. Research Centre of Demographic Management for Public Administrations; UCL-GéDAP; Louvain-la-Neuve 1348 Belgium
16. The Queen's University Belfast; Belfast BT7 1NN UK
17. Eppendorf Array Technologies; SA-EAT Research and Development; Namur 5000 Belgium
18. University of Montpellier; Val d'Aurelle Cancer Research Center; Montpellier 34090 France
19. Kiel Center for Functional Genomics; University Hospital Schleswig Holstein; Kiel 24105 Germany
20. Nencki Institute of Experimental Biology; Polish Academy of Sciences; Warsaw 00-679 Poland
21. Leiden University Medical Centre; Leiden 2333 ZA the Netherlands
22. INRCA-Italian National Research Centre on Aging; Ancona 60127 Italy
23. Istituto Superiore di Sanità; Rome 00161 Italy
24. Facultés Universitaire Notre Dame de la Paix; Namur 5000 Belgium
25. Max Planck Institute for Demographic Research; Rostock 18057 Germany
26. National Public Health Institute; Helsinki 00260 Finland
27. Institute for Behavioral Genetics; University of Colorado Boulder; Boulder CO 80309 USA