³í¹®) Looking into the life of technology- dependent children and their caregivers in Korea: lifting the burden of too many responsibilities ¼¿ï´ëº´¿ø ¼Ò¾Æû¼Ò³â°ú ÃÖÀ¯Çö, ±è¹Î¼± ±³¼öÆÀ