e category, *n* (%)                                                                                                                 \<00 years old                                   0 (0)              0 (0)              ---                 ---                   0 (0)    00--00 years old                                 0 (0)              0 (00)             ---                 ---                   ---    00--00 years old                                 0 (00)             0 (00)             0 (00)              0 (00)                0 (00)    