Maria Geitona1
, Hara Kousoulakou2
, Markos Ollandezos3
, Kostas Athanasakis3
, Sotiria Papanicolaou4
and Ioannis Kyriopoulos3 
1
Department of Economics, University of Thessaly, Magnissias 96, Dionyssos 14576, Greece
2
Institute for Economic and Industrial Research, Tsami Karatasi 11, 117 42 Athens, Greece
3
Department of Health Economics, National School of Public Health, Aleksandra's Avenue 196, 11521 Athens, Greece
4
Janssen-Cilag Pharmaceutical SACI, Eirinis Avenue 56, 15121 Pefki, Athens, Greece