1. The Conway Institute; University College Dublin; Dublin Ireland
2. Division of Cardiovascular Medicine; Department of Medicine; Jichi Medical University, School of Medicine; Tochigi Japan
3. Department of Cardiovascular Sciences; Studies Coordinating Centre; Research Unit Hypertension and Cardiovascular Epidemiology; University of Leuven; Leuven Belgium
4. Cardiovascular Research Institute Maastricht (CARIM); Maastricht University; Maastricht The Netherlands
5. Department of Internal Medicine; Hospital Mutua Terrassa; University of Barcelona; Terrassa Spain
6. Department of Hygiene and Public Health; Teikyo University School of Medicine; Tokyo Japan