As of 2013, it hosted information on more than 13,000 volunteer twins, with approximately 50% having completed a baseline comprehensive assessment and more than 70% having completed a detailed health questionnaire.
截止2013年，项目已经收集了超过13,000多位双胞胎志愿者的信息，约有50%完成了基本的综合评估，超过70%完成了详细的健康调查问卷。