更正

摘要

本刊2019年8月第45卷第4期第301页中文摘要“结果”中“本研究试验组和对照组各50人”更正为“本研究试验组和对照组各50人纳入统计”,英文摘要“Methods”中“the subjects were randomly divided into experimental group(n=57)and the control group(n=57).”更正为“the sub jects were randomly divided into experimental group and the control group.”,特此声明。