1. The Conway Institute; University College Dublin; Dublin Ireland
2. Hypertension Center STRIDE-7; School of Medicine; Third Department of Medicine; Sotiria Hospital; National and Kapodistrian University of Athens; Athens Greece
3. Department of Biomedical Sciences; Macquarie University; Sydney NSW Australia
4. Biomedical Engineering Research Group; School of Electrical and Information Engineering; University of the Witwatersrand; Johannesburg South Africa