[1] Kristiania Univ Coll, Sch Hlth Sci, N-0107 Oslo, Norway
[2] Arctic Univ Norway, Fac Hlth Sci, Natl Res Ctr Complementary & Alternat Med NAFKAM, UiT,Dept Community Med, N-9037 Tromso, Norway
[3] Korea Inst Oriental Med, KM Sci Res Div, Daejeon 34054, South Korea
[4] Harvard Med Sch USA, Dana Farber Canc Inst, Boston, MA 02215 USA