| China |
School of Radiation Medicine and Protection, Soochow University |
Dec. 16, 2004 |
| Beijing Institute of Radiation Medicine |
June 27, 2006 |
| U.S.A |
Department of Human Oncology, University of Wisconsin-Madison |
Sep. 19, 1994 |
| Belarus |
Minsk Institute of Hereditary Diseases |
Sep. 20, 1995 |
| The Belarusian Medical Academy of Postgraduate Education |
July 20, 2005 |
| The Republican Research Center for Radiation Medicine and Human Ecology |
Feb. 13,2014 |
| Bulgaria |
National Center of Radiobiology and Radiation Protection (NCRRP) Ministry of Health |
June 8, 2011 |
| Russian Federation |
Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency(FMBA) |
Sep.7,2017 |