Submitted on: 21 September 2008.
Revised on: 24 October 2008.
Accepted on: 11 December 2008.
___________________HEALTH & PLACE---ELSEVIER SCI LTD
Submitted on: 13 December 2020.
Revised on: 28 January 2021.
Accepted on: 17 March 2021.
___________________HEALTH & PLACE---ELSEVIER SCI LTD
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Submitted on: 30 March 2016.
Revised on: 27 April 2016.
Accepted on: 18 May 2016.
___________________HEALTH & PLACE---ELSEVIER SCI LTD
Submitted on: 10 October 2014.
Revised on: 07 December 2014.
Accepted on: 23 December 2014.
___________________HEALTH & PLACE---ELSEVIER SCI LTD
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Submitted on: 07 April 2019.
Revised on: 20 May 2019.
Accepted on: 01 July 2019.
___________________HEALTH & PLACE---ELSEVIER SCI LTD
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Submitted on: 05 December 2016.
Revised on: 18 January 2017.
Accepted on: 11 February 2017.
___________________HEALTH & PLACE---ELSEVIER SCI LTD