He went on to do postdoctoral research at Harvard University.

He completed his postdoctoral research at Wuhan University during 2003 and 2006.

Tsui did a year of postdoctoral research at Chicago.

He then did postdoctoral research for two years at Rice University.

"I guess you'd call it postdoctoral research," he said, coming reasonably close to an honest answer.

In some cases it can be synonymous with postdoctoral research.

He moved to the University of Hawaii in 1994 for postdoctoral research.

It also has six professional degree programs, and has 16 disciplines for postdoctoral research.

He then did postdoctoral research at Yale University in 1969-70.

She completed her postdoctoral research at the University of New Mexico.