by 최윤진, 김신미, 심은정, 조도준, 김덕하, 민기식, 유기양, Choi, Yoon Jin, Kim, Shin Mi, Sim, Eun Jung, Cho, Do Jun, Kim, Dug Ha, Min, Ki Sik, Yoo, Ki Yang
Published in Korean journal of pediatrics (2007)

by 최방선, 정현주, 천부순
Published in Yaghag-hoi-ji (30.06.2022)

by 나은숙(Eun Suk Na), 정익중(Ick Joong Chung)
Published in Korean Journal of child studies (2007)