1. National Sagamihara Hospital, Sagamihara,
2. Showa University, Tokyo,
3. Kinki University, Osakasayama,
4. Dokkyo Medical College, Utsunomiya,
5. Hiroshima University, Hiroshima,
6. Teikyo University, Tokyo,
7. Hamamatsu Medical College, Hamamatsu, Japan and
8. Astra Draco AB, Lund, Sweden