1. Department of Meridians, Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, No. 16 Nanxiaojie, Dongzhimen, Beijing 100700, China
2. Stronach Research Unit for Complementary and Integrative Laser Medicine, Research Unit of Biomedical Engineering in Anesthesia and Intensive Care Medicine, TCM Research Center Graz, Medical University of Graz, Auenbruggerplatz 29, 8036 Graz, Austria