Server maintenance completed

Server maintenance has been completed. As a result, the site speed is dramatically improved. However, "Most Viewed Abstracts" has to be withdrawn from the side bar because its influence on site speed cannot be controlled within tolerable level. We could provide such ranking information on a specialized page in future.

*This site is desgined based on HTML5 and CSS3 for modern browsers, e.g. Chrome, Firefox, Safari, Edge, IE9,10,11, Opera.

Last updated on Feb. 26, 2020