Submitted on: 26 January 1998.
Revised on: 09 March 1998.
Accepted on: 03 April 1998.
___________________International Journal of Health Economics and Management
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Submitted on: 30 April 1999.
Revised on: 27 June 1999.
Accepted on: 09 August 1999.
___________________International Journal of Health Economics and Management
Submitted on: 14 April 2018.
Revised on: 04 July 2018.
Accepted on: 01 August 2018.
___________________International Journal of Health Economics and Management
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Submitted on: 29 December 2020.
Revised on: 21 April 2021.
Accepted on: 27 May 2021.
___________________International Journal of Health Economics and Management
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Submitted on: 12 March 2021.
Revised on: 06 May 2021.
Accepted on: 19 June 2021.
___________________International Journal of Health Economics and Management