1. Berlin Brandenburg Center for Regenerative Medicine, Charité—Universitätsmedizin Berlin, Berlin, Germany.
2. College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul, Republic of Korea.
3. National Institute for Biological Standards and Control, Medicines and Health Products Regulatory Agency (MHRA), South Mimms, United Kingdom.
4. Barcelona Stem Cell Bank, Center of Regenerative Medicine in Barcelona, Barcelona Biomedical Research Park, Barcelona, Spain.