| http://www.w3.org/ns/prov#value | - Since 1992, he has given extensive workshops in such places as Los Angeles, San Francisco, Portland, Chicago, Detroit, and New York, lectur??ing at educational and research organizations including the United Nations' Qigong Society, Stanford University, the University of Chicago, Reed College, Na??tional College of Naturopathic Medicine, and the Institute for Traditional Medicine and Preventive He
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