1. Kanai Veterinary Surgery Himeji Hyogo Japan
2. Study group of Small Animal Minimally Invasive Treatment (SAMIT)
3. Laboratory of Veterinary Internal Medicine, Department of Veterinary ScienceOsaka Prefecture University Izumisano Osaka Japan
4. Department of Digestive SurgeryNihon University School of Medicine Chiyoda Tokyo Japan
5. Aya Animal Hospital Nara City Nara Japan
6. Apple Tree Animal Hospital Anjo Aichi
7. Animal Medical Center ALOHA Fukuyama Hiroshima