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Submitted on: 21 January 2018.
Revised on: 09 April 2018.
Accepted on: 07 May 2018.
___________________JOURNAL OF PUBLIC HEALTH---OXFORD UNIV PRESS
Submitted on: 19 October 2018.
Revised on: 15 December 2018.
Accepted on: 05 January 2019.
___________________JOURNAL OF PUBLIC HEALTH---OXFORD UNIV PRESS
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Submitted on: 14 December 2022.
Revised on: 01 February 2023.
Accepted on: 30 March 2023.
___________________JOURNAL OF PUBLIC HEALTH---OXFORD UNIV PRESS
Submitted on: 11 September 2007.
Revised on: 03 October 2007.
Accepted on: 24 November 2007.
___________________JOURNAL OF PUBLIC HEALTH---OXFORD UNIV PRESS
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Submitted on: 19 October 1999.
Revised on: 07 February 2000.
Accepted on: 20 February 2000.
___________________JOURNAL OF PUBLIC HEALTH---OXFORD UNIV PRESS
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