Sotirios A Koupidis, Electra Nicolaidou, Maria Hadjivassiliou, Stefanos Bellos, Petros Skapinakis, Christina Stefanaki, Helen Papadogeorgakis, Andreas Katsambas
Health Qual Life Outcomes. 2011; 9: 67. Published online 2011 August 16. doi: 10.1186/1477-7525-9-67