[1] UNIV SUSSEX, SCH SOCIAL SCI, BRIGHTON BN1 9QN, E SUSSEX, ENGLAND
[2] ERASMUS UNIV ROTTERDAM, DEPT HLTH POLICY & MANAGEMENT, NL-3000 DR ROTTERDAM, NETHERLANDS
[3] UNIV BARCELONA, DEPT ECON POLICY, BARCELONA 08034, SPAIN
[4] STOCKHOLM SCH ECON, CTR HLTH ECON, S-11383 STOCKHOLM, SWEDEN
[5] UNIV BERN, DEPT ECON, CH-3012 BERN, SWITZERLAND
[6] WORCESTER STATE COLL, DEPT ECON, WORCESTER, MA USA
[7] NATL RES & DEV CTR WELF & HLTH, HELSINKI 00531, FINLAND
[8] UNIV KENT, DEPT ECON, CANTERBURY CT2 7PN, KENT, ENGLAND
[9] UNIV BRISTOL, DEPT ECON, BRISTOL BS8 1TH, AVON, ENGLAND
[10] CLARK UNIV, DEPT ECON, WORCESTER, MA 01610 USA
[11] UNIV UPPSALA, DEPT ECON, S-75120 UPPSALA, SWEDEN
[12] GSF MEDIS, D-8575 OBERSCHLEISSHEIM, GERMANY
[13] STAT NETHERLANDS, NL-6401 CZ HEERLEN, NETHERLANDS