http://reply.papertrans.cn/3/243/24214/24214-31.png
http://reply.papertrans.cn/3/243/24214/24214-32.png
http://reply.papertrans.cn/3/243/24214/24214-33.png
http://reply.papertrans.cn/3/243/24214/24214-34.png
Submitted on: 26 February 2014.
Revised on: 10 March 2014.
Accepted on: 29 March 2014.
PEDIATRIC RESEARCH---SPRINGERNATURE
Submitted on: 22 September 2000.
Revised on: 06 October 2000.
Accepted on: 18 October 2000.
PEDIATRIC RESEARCH