Submitted on: 03 February 2023.
Revised on: 06 April 2023.
Accepted on: 01 June 2023.
___________________European Journal of Social Security
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Submitted on: 05 October 1999.
Revised on: 20 January 2000.
Accepted on: 08 February 2000.
___________________European Journal of Social Security
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Submitted on: 04 November 2003.
Revised on: 10 December 2003.
Accepted on: 24 December 2003.
___________________European Journal of Social Security