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Submitted on: 04 April 2003.
Revised on: 16 June 2003.
Accepted on: 30 July 2003.
___________________AMERICAN JOURNAL OF PUBLIC HEALTH
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Submitted on: 15 August 2021.
Revised on: 07 December 2021.
Accepted on: 30 January 2022.
___________________AMERICAN JOURNAL OF PUBLIC HEALTH
Submitted on: 03 June 2024.
Revised on: 12 September 2024.
Accepted on: 03 November 2024.
___________________AMERICAN JOURNAL OF PUBLIC HEALTH
Submitted on: 18 May 2023.
Revised on: 13 June 2023.
Accepted on: 23 July 2023.
___________________AMERICAN JOURNAL OF PUBLIC HEALTH