A study on ensuring the quality and safety of pharmaceuticals and medical devices derived from the processing of human embryonic stem cells.

"Disclosures The authors declare that there is no conflict of interest that could be perceived as prejudicing the impartiality of the research reported."

"The authors would like to thank Dr. Kazuaki Kakehi (Kindai University, Japan), Dr. Hiroyuki Moriyama (Kindai University, Japan), and Dr. Satoshi Yasuda (National Institute of Health Sciences, Japan) for technical support. This work was supported by Research Grants H23-IYAKU-SHITEI-022, H25-JITSUYOKA(SAISE)-IPPAN-008 and H26-IYAKUB-IPPAN-018 from the Ministry of Health, Labour and Welfare of Japan, and Research Grants 15mk0104009h0102, 15bk0104014h0003 from Japan Agency for Medical Research and Development (AMED). We would also like to express our sincere thanks to E. Suzuki for English-language editing and proofreading."