His family and activists say he was convicted on weak evidence.

男子的家人和活动人士称，他被定罪的证据不足。

Given weak evidence of its effectiveness and the high prices, doctors and insurers have not given the treatment to patients.

由于缺乏证据证明其有效性和高昂的价格，医生和保险公司没有向患者提供这种治疗方法。