Submitted on: 26 June 2022.
Revised on: 09 September 2022.
Accepted on: 20 September 2022.
___________________BMC Pediatrics---BMC
Submitted on: 02 December 1999.
Revised on: 10 February 2000.
Accepted on: 28 February 2000.
___________________BMC Pediatrics---BMC
Submitted on: 04 July 2015.
Revised on: 12 August 2015.
Accepted on: 27 September 2015.
___________________BMC Pediatrics---BMC
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Submitted on: 06 March 2000.
Revised on: 25 June 2000.
Accepted on: 31 July 2000.
___________________BMC Pediatrics---BMC
Submitted on: 13 March 2015.
Revised on: 23 June 2015.
Accepted on: 10 August 2015.
___________________BMC Pediatrics---BMC
http://reply.papertrans.cn/1/40/3919/3919-27.png
Submitted on: 04 July 2024.
Revised on: 17 October 2024.
Accepted on: 09 November 2024.
___________________BMC Pediatrics---BMC
http://reply.papertrans.cn/1/40/3919/3919-29.png
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