1. The Korea Institute for Public Sperm Bank, Repuplic of Korea
2. Pusan National University School of Medicine, Repuplic of Korea
3. Korea Institute of Toxicology, Republic of Korea
4. Pusan National University School of Korean Medicine, Republic of Korea
5. Sungkyunkwan University School of Medicine, Republic of Korea
6. The Korea Institute for Public Sperm Bank, Repuplic of Korea; Pusan National University School of Korean Medicine, Republic of Korea