Shigeo Ohta1,2, Tyler W LeBaron3,4. 1. Department of Neurology Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Bunkyo-ku, Tokyo 113-8421, Japan. 2. Institute for Advanced Medical Sciences, Nippon Medical University, 1-1-5 Sendagi, Bunkyou-ku, Tokyo 113-8602, Japan. 3. Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, Faculty of Natural Sciences of Comenius University 841 04 Bratislava, Slovak Republic. 4. Department of Kinesiology and Outdoor Recreation, Southern Utah University, Cedar City, UT 84720, USA.