As Shaw points out, the Japanese have a relatively "pure" ethnic composition, whereas Taiwan is home to people from every province in China, in addition to its own indigenous people, which makes for more difficulty finding HLA matches.
蕭正光指出，日本人的血統比較「純」；而台灣有來自大陸各省的中國人及原住民，配對的結果較為複雜。