另一项研究是2011年4月在网上发布的，主要调查荷兰40及40岁以上男性所生孩子的心理健康状况。

Another study, published online in April 2011, looked at mental health outcomes in the children of fathers aged 40 and above in the Netherlands.

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他们的调查结果发表在网上的<青春期健康杂志>.

Their findings appear online in theJournal of Adolescent Health.

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这个研究是基于1998 ~ 2004年对全国健康情况调查的数据，结果发表于循环的高级网上版。

The study, published in the advance online edition of Circulation, is based on national health studies conducted from 1998 to 2004.

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