Submitted on: 20 May 2008.
Revised on: 23 August 2008.
Accepted on: 15 September 2008.
___________________Journal of Perinatology---SPRINGERNATURE
Submitted on: 06 August 2013.
Revised on: 16 October 2013.
Accepted on: 23 November 2013.
___________________Journal of Perinatology---SPRINGERNATURE
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Submitted on: 06 July 2020.
Revised on: 17 August 2020.
Accepted on: 03 September 2020.
___________________Journal of Perinatology---SPRINGERNATURE
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Submitted on: 12 December 2008.
Revised on: 23 January 2009.
Accepted on: 05 February 2009.
___________________Journal of Perinatology---SPRINGERNATURE
Submitted on: 11 April 2019.
Revised on: 09 August 2019.
Accepted on: 20 August 2019.
___________________Journal of Perinatology---SPRINGERNATURE
Submitted on: 13 August 2022.
Revised on: 15 November 2022.
Accepted on: 13 December 2022.
___________________Journal of Perinatology---SPRINGERNATURE