The article "Perspectives of adults with Klinefelter syndrome, unaffected adolescent males, and parents of affected children toward diagnosis disclosure: a Thai experience", written by Sukrit Suwannachat, Duangrurdee Wattanasirichaigoon, Jiraporn Arunakul, Vilawan Chirdkiatgumchai and Thipwimol Tim-Aroon, was originally published electronically on the publisher's internet portal (currently SpringerLink) on September 2019 without open access.