1. Department of Pharmacology Wakayama Medical University Wakayama City Wakayama Japan
2. Department of Physiological Sciences School of Pharmaceutical Sciences Wakayama Medical University Wakayama City Wakayama Japan
3. Department of Anatomy Kansai University of Health Sciences Sennan‐gun Osaka Japan
4. Department of Applied Pharmacology Faculty of Pharmaceutical Sciences University of Toyama Toyama City Toyama Japan
5. Department of Physiology and Pharmacology Wake Forest University School of Medicine Winston‐Salem NC USA
6. Faculty of Wakayama Health Care Sciences Takarazuka University of Medical and Health Care Wakayama City Wakayama Japan