1. Department of Biochemistry and Molecular Biology, Faculty of Medicine Tarumanagara University Jakarta Indonesia
2. Tarumanagara Human Cell Technology Laboratory Jakarta Indonesia
3. Zürich University of Applied Sciences, Institute of Chemistry and Biotechnology Wädenswil Switzerland
4. Baermed, Centre of Abdominal Surgery, Hirslanden Clinic Zürich Switzerland
5. Department of Visceral and Transplantation Surgery University of Bern Bern Switzerland
6. Rumah Sakit Gading Pluit Jakarta Indonesia