http://reply.papertrans.cn/3/240/23944/23944-21.png
Submitted on: 02 September 2002.
Revised on: 27 September 2002.
Accepted on: 22 October 2002.
Paediatrics and International Child Health
Submitted on: 30 July 2005.
Revised on: 10 August 2005.
Accepted on: 21 August 2005.
Paediatrics and International Child Health
Submitted on: 12 February 2007.
Revised on: 08 March 2007.
Accepted on: 28 March 2007.
Paediatrics and International Child Health
Submitted on: 05 October 2000.
Revised on: 10 November 2000.
Accepted on: 21 November 2000.
Paediatrics and International Child Health
http://reply.papertrans.cn/3/240/23944/23944-26.png
Submitted on: 12 December 2009.
Revised on: 27 December 2009.
Accepted on: 17 January 2010.
Paediatrics and International Child Health
Submitted on: 30 April 2022.
Revised on: 17 May 2022.
Accepted on: 13 June 2022.
Paediatrics and International Child Health
Submitted on: 26 July 2010.
Revised on: 30 August 2010.
Accepted on: 22 September 2010.
Paediatrics and International Child Health
http://reply.papertrans.cn/3/240/23944/23944-30.png