1. Asian Medicine & Acupuncture Research, Department of Physical Medicine & Rehabilitation, University of North Carolina at Chapel Hill, NC.
2. Division for Research and Education for Complementary & Integrative Medical Therapies, Harvard Medical School, Osher Research Center, Boston, MA.
3. Conmaul Hospital, Seoul, Republic of Korea.
4. Korea Food & Drug Administration, National Institute of Toxicological Research Biostatistics Division, Seoul, Republic of Korea.