Submitted on: 09 January 2011.
Revised on: 21 April 2011.
Accepted on: 06 May 2011.
___________________JOURNAL OF TRAVEL MEDICINE---OXFORD UNIV PRESS INC
Submitted on: 16 September 2018.
Revised on: 02 November 2018.
Accepted on: 23 November 2018.
___________________JOURNAL OF TRAVEL MEDICINE---OXFORD UNIV PRESS INC
Submitted on: 20 June 2010.
Revised on: 14 July 2010.
Accepted on: 11 August 2010.
___________________JOURNAL OF TRAVEL MEDICINE---OXFORD UNIV PRESS INC
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Submitted on: 22 May 1999.
Revised on: 20 July 1999.
Accepted on: 03 September 1999.
___________________JOURNAL OF TRAVEL MEDICINE---OXFORD UNIV PRESS INC
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Submitted on: 26 October 2014.
Revised on: 04 February 2015.
Accepted on: 02 April 2015.
___________________JOURNAL OF TRAVEL MEDICINE---OXFORD UNIV PRESS INC
Submitted on: 13 June 2017.
Revised on: 20 August 2017.
Accepted on: 13 September 2017.
___________________JOURNAL OF TRAVEL MEDICINE---OXFORD UNIV PRESS INC
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