Last year, the Parents of Twins Friendship Association was formed in the R.O.C. under Taiwan University Public Health Associate Professor Chang Chueh.
催生者是本身也是雙生子的台大公衛所副教授張，她從民國七十四年起，對台灣地區近兩百對的三個月至三歲雙胞胎，進行智力研究。