Analisis praktik residensi pada pasien gangguan sistem perkemihan dengan pendekatan teori kenyamanan comfort kolcaba, penerapan six minute walking dan sosialisasi perawat konselor ginjal di Rumah Sakit Fatmawati Jakarta = Residential practice analysis on patients with urinary system disorders with approach of comfort theory comfort kolcaba implementation of six minute walking and socialization of kidney nurse counselor at Fatmawati Jakarta General Hospital