Submitted on: 14 November 2011.
Revised on: 17 February 2012.
Accepted on: 02 March 2012.
___________________JOURNAL OF TRAVEL MEDICINE---OXFORD UNIV PRESS INC
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Submitted on: 24 December 2018.
Revised on: 21 January 2019.
Accepted on: 17 March 2019.
___________________JOURNAL OF TRAVEL MEDICINE---OXFORD UNIV PRESS INC
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Submitted on: 12 September 2005.
Revised on: 02 November 2005.
Accepted on: 12 December 2005.
___________________JOURNAL OF TRAVEL MEDICINE---OXFORD UNIV PRESS INC
Submitted on: 15 May 2019.
Revised on: 02 July 2019.
Accepted on: 05 August 2019.
___________________JOURNAL OF TRAVEL MEDICINE---OXFORD UNIV PRESS INC
Submitted on: 20 August 2006.
Revised on: 17 September 2006.
Accepted on: 14 October 2006.
___________________JOURNAL OF TRAVEL MEDICINE---OXFORD UNIV PRESS INC