This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.

Important note: Works of foreign (non-U.S.) origin must be out of copyright or freely licensed in both their home country and the United States in order to be accepted on Commons. Works of Taiwanese origin that have entered the public domain in the U.S. due to certain circumstances (such as publication in noncompliance with U.S. copyright formalities) and which were under copyright in Taiwan on January 1, 2002 may have had their U.S. copyright restored under the URAA.[1]