6 July 2008 Arvada, Colorado
male, 1 October 2012 Amery, Wisconsin
female, 1 October 2012 Amery, Wisconsin
14 December 2008 Arvada, Colorado
17 December 2008 Arvada, Colorado
16 February 2009 Arvada, Colorado
7 July 2017 Peking University, Beijing
16 April 2022 Arvada, Colorado