Dr.Chang's mentors and collaborators

1986-Drs.Liao and Huggins- uc-benmaylab-Chicago

1989-Dr.Liao-nobelsymposium at Nobel Hall-Sweden

1995-Drs.Adachi and Kubota-Yokohama

1996-Dr.O'Malley-Houston

1997-Drs.Jay and Goldsmith-urmc-Rochester

2000-Dr.Chou-urmc-Rochester

2002-Drs.Chou and Uno-Portland

2009-Dr.Lardy-uwmedison

2009-Dr.Chongching Su-ntu-Taipei

2009-Drs. Goldthwait at cwru-Cleveland

2009-Drs.Goldthwait and Samols at cwru-Cleveland