Kobe-shi Ishikai www.kobe-med.or.jp
Kohnan Hospital Group www.kohnan.or.jp
Kobe University Hospital www.hosp.kobe-u.ac.jp
The Japanese Orthopaedic Association  www.joa.or.jp/jp/joa/index.html
Japan College of Rheumatology www.ryumachi-jp.com
Japan Rheumatism Foundation www.rheuma-net.or.jp
www.nrat.or.jp
Japan Sports Association  www.japan-sports.or.jp
Aperat www.aperat.com