1. Biological Sciences Program, Faculty of Science; Chulalongkorn University; Bangkok 10330 Thailand
2. Department of Biology, Faculty of Science; Chulalongkorn University; Bangkok 10330 Thailand
3. Brain Research Institute, Jeffrey Cheah School of Medicine and Health Sciences; Monash University Malaysia; Bandar Sunway PJ46150 Malaysia
4. Laboratory of Veterinary Physiology; Tokyo University of Agriculture and Technology; Tokyo Japan