July 5, 2018 :  Collaboration research with Profs. Zhao-Sheng Liu, Yan-Ping Huang and Huining He (Tianjin Medical University) at Tianjin, China

May 18, 2018 :  Collaboration research with Assist. Prof. Hyukjin Leee (Ewha Womans University) at Seoul, Korea

July 28-Sept 19, 2017 :  Collaboration research with Profs. Zhao-Sheng Liu and Yan-Ping Huang (Tianjin Medical University) at Tokyo

March 1, 2017 :   Collaboration research with Profs. Zhao-Sheng Liu and Yan-Ping Huang (Tianjin Medical University) at Tianjin, China

October 5-11, 2016 :  Collaboration research with Assist. Prof. Hyukjin Leee (Ewha Womans University) at Seoul, Korea

July 31-Aug 6, 2016 :  Collaboration research with Prof. Seung Jin Lee (Ewha Womans University) at Tokyo

June 19-July 2, 2016 :  Collaboration research with Assist. Prof. Hyukjin Lee (Ewha Womans University) at Tokyo

Aug 7, 2015 :  Collaboration research with Ewha Womans University at Tokyo

July 21, 2015 :  Collaboration research with Ewha Womans University at Seoul, Korea

Feb 26, 2014 :  1st A3 Foresight Project Meeting, Seoul, Korea