Survey of understanding and awareness of fertility preservation in pediatric patients: Is conversation about fertility preservation unpleasant for pediatric patients? oleh Seido Takae, Yuriko Iwahata, Yodo Sugishita, Hideyuki Iwahata, Ryo Kanamori, Eriko Shiraishi, Eriko Shiraishi, Kaoru Ito, Yuki Suzuki, Yoshiko Yamaya, Kunihide Tanaka, Kei Oyama, Dai Keino, Dai Keino, Kentaro Nakamura, Kei Odawara, Yuki Horage, Lingbo Meng, Arby Igualada, Ahmad Mohd Faizal, Ahmad Mohd Faizal, Ludmilla Ogouma Aworet, Shigeyuki Furuta, Miki Sakamoto, Tetsuya Mori, Hiroaki Kitagawa, Nao Suzuki