- Kwang Hyung Lee,
- Doheon Lee,
- Chul Min Kim,
- Jong Park,
- Hong Gil Nam,
- Kyoung Tai No,
- Sang Joo Lee,
- Jong Shin Yoo,
- Suki Kang,
- Dongsup Kim,
- Jang-Ho Hahn,
- Hyun-Woo Han,
- Seok-Ki Im,
- Hyun-Kyu Shin,
- Bong Joong Kang, and
- Sang Yup Lee
https://doi.org/10.1142/S0219030306002199