英国哥伦比亚除夜学的研究职员于2007到2009年期间招募了538位接受测试的病人，其中马虎折病人每周农村落收到如许一条短信，并且丫究职员请求他们正正在48小时内回答。

Researchers at the University of British Columbia enrolled 538 patients between 2007 and 2009. Half the patients received the weekly text message, and were asked to respond within 48 hours.

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